{"title":"Athena","description":"\u003cp\u003eFind Athena designed for hard riding, fast laps and long days in the dirt — quality parts chosen for real-world off-road use.\u003c\/p\u003e\u003cp\u003eThis range focuses on parts \u0026amp; accessories — ideal when you want better performance, durability and reliability without compromising on quality. Expect proven quality from leading manufacturers, with options to suit modern and classic off-road machines.\u003c\/p\u003e\u003cp\u003eSuitable for a wide range of off-road machines, with parts selected to match real rider needs and workshop standards.\u003c\/p\u003e\u003cp\u003eAs a premium UK motocross and ATV parts supplier, 2bros-mx.com stocks trusted brands and dependable components to keep you riding with confidence.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFor fitment advice or enquiries, contact us on +44 330 133 3748 or email info@2bros-mx.com.\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"top-end-piston-gasket-kit-79mm-honda-crf-250-20-21-athena-p5f0790319002c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 79MM HONDA CRF 250 20-21, ATHENA P5F0790319002C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 78,97 mm + Top End Gasket Kit - P5F0790319002C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  78.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  18.70\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.1:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2020\/2021 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391481446666,"sku":"56-T1015.C_ATH","price":244.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1015.C_ATH.jpg?v=1750685561"},{"product_id":"top-end-piston-gasket-kit-79mm-honda-crf-250-18-19-athena-p5f0790319001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 79MM HONDA CRF 250 18-19, ATHENA P5F0790319001A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 78,95 mm + Top End Gasket Kit - P5F0790319001A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.All Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x39.9\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  78.95\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  18.90\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2018\/2019\u003c\/li\u003e \u003cli\u003eHONDA CRF RX 250 cc 2018\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391484068106,"sku":"56-T1014.A_ATH","price":244.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1014.A_ATH.jpg?v=1750685574"},{"product_id":"top-end-piston-gasket-kit-79mm-honda-crf-250-18-19-athena-p5f0790319001c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 79MM HONDA CRF 250 18-19, ATHENA P5F0790319001C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 78,97 mm + Top End Gasket Kit - P5F0790319001C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x39.9\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  79.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  18.90\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2018\/2019\u003c\/li\u003e \u003cli\u003eHONDA CRF RX 250 cc 2018\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391484985610,"sku":"56-T1014.C_ATH","price":244.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1014.C_ATH.jpg?v=1750685579"},{"product_id":"top-end-piston-gasket-kit-79mm-honda-crf-250-20-21-athena-p5f0790319002b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 79MM HONDA CRF 250 20-21, ATHENA P5F0790319002B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 78,96 mm + Top End Gasket Kit - P5F0790319002B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  78.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  18.70\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.1:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2020\/2021 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391485083914,"sku":"56-T1015.B_ATH","price":244.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1015.B_ATH.jpg?v=1750685580"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-16-18-athena-p5f0770187009b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 16-18, ATHENA P5F0770187009B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,96 mm + Top End Gasket Kit - P5F0770187009B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9,5x38\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.20\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2018\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2016\/2018 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391485411594,"sku":"56-T1006.B_ATH","price":225.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1006.B_ATH.jpg?v=1750685582"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-sx-f-xc-f-250-13-15-athena-p5f0780063001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM SX-F\/XC-F 250 13-15, ATHENA P5F0780063001A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,95 mm + Top End Gasket Kit - P5F0780063001A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.95\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FC Ktm engine 250 cc 2014\/2015\u003c\/li\u003e \u003cli\u003eKTM SX-F 250 cc 2013\/2015\u003c\/li\u003e \u003cli\u003eKTM XC-F 250 cc 2013\/2014 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391485706506,"sku":"56-T1008.A_ATH","price":247.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1008.A_ATH.jpg?v=1750685583"},{"product_id":"top-end-piston-gasket-kit-95mm-ktm-sx-f-450-2013-athena-p5f0950062001c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 95MM KTM SX-F 450 2013, ATHENA P5F0950062001C, SET C","description":"\u003cp\u003eTechnical features\u003cbr\u003e\nBig End Pin Diameter (mm)     19x10x45\u003cbr\u003e\nBore Diameter (mm)     94.97\u003cbr\u003e\nCompression Height (mm)     22.70\u003cbr\u003e\nCompression Ratio     12.6:1\u003cbr\u003e\nDisplacement (cc)     450.00\u003cbr\u003e\nNet Weight (Kg)     0.69\u003cbr\u003e\nNumber Of Segments     2\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Forged\u003c\/p\u003e\n\n\u003cp\u003eFITMENT\u003cbr\u003e\nKTM SX-F 450 cc 2013 \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391485772042,"sku":"56-T1035.C_ATH","price":273.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1035.C_ATH.jpg?v=1750685584"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-14-15-athena-p5f0770187008b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 14-15, ATHENA P5F0770187008B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,97 mm + Top End Gasket Kit - P5F0770187008B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x42\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2015\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2014\/2015\u003c\/li\u003e \u003cli\u003eYAMAHA YZ FX 250 cc 2015 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391485870346,"sku":"56-T1005.B_ATH","price":231.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1005.B_ATH.jpg?v=1750685584"},{"product_id":"top-end-piston-gasket-kit-78mm-kawasaki-kx-250-2020-athena-p5f0780069003c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 78MM KAWASAKI KX 250 2020, ATHENA P5F0780069003C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,98 mm + Top End Gasket Kit - P5F0780069003C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  77.98\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.00\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.3:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKAWASAKI KX F 250 cc 2020 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486034186,"sku":"56-T1009.C_ATH","price":237.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1009.C_ATH.jpg?v=1750685585"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-14-15-athena-p5f0770187008c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 14-15, ATHENA P5F0770187008C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,98 mm + Top End Gasket Kit - P5F0770187008C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x42\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.98\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2015\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2014\/2015\u003c\/li\u003e \u003cli\u003eYAMAHA YZ FX 250 cc 2015 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486132490,"sku":"56-T1005.C_ATH","price":231.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1005.C_ATH.jpg?v=1750685585"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-yz-250f-19-25-athena-p5f0770212009a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA YZ 250F 19-25, ATHENA P5F0770212009A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,95 mm + Top End Gasket Kit - P5F0770212009A\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e\n\n\u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e\n\n\u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e\n\n\u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e\n\n\u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e\n\n\u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e\n\n\u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e\n\n\u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e\n\n\u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e\n\n\u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig End Pin Diameter (mm) 16x9,5x38\u003c\/li\u003e\n\t\u003cli\u003eBore Diameter (mm) 76.95\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm) 20.20\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.5:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 250\u003c\/li\u003e\n\t\u003cli\u003eNumber Of Segments 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Type Standard\u003c\/li\u003e\n\t\u003cli\u003ePiston Type Forged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA WR F 250 cc 2020-2025\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA YZ F 250 cc 2019-2025\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486230794,"sku":"56-T1007.A_ATH","price":240.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1007.A_ATH.jpg?v=1750685586"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-17-19-athena-p5f0780078001b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 17-19, ATHENA P5F0780078001B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,96 mm + Top End Gasket Kit - P5F0780078001B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2017\/2019\u003c\/li\u003e \u003cli\u003eKTM EXC-F 250 cc 2017\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486394634,"sku":"56-T1011.B_ATH","price":219.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1011.B_ATH.jpg?v=1750685586"},{"product_id":"top-end-piston-gasket-kit-79mm-honda-crf-250-18-19-athena-p5f0790319001b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 79MM HONDA CRF 250 18-19, ATHENA P5F0790319001B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 78,96 mm + Top End Gasket Kit - P5F0790319001B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x39.9\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  79.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  18.90\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2018\/2019\u003c\/li\u003e \u003cli\u003eHONDA CRF RX 250 cc 2018\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486427402,"sku":"56-T1014.B_ATH","price":244.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1014.B_ATH.jpg?v=1750685586"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-sx-f-xc-f-250-13-15-athena-p5f0780063001c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM SX-F\/XC-F 250 13-15, ATHENA P5F0780063001C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,97 mm + Top End Gasket Kit - P5F0780063001C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FC Ktm engine 250 cc 2014\/2015\u003c\/li\u003e \u003cli\u003eKTM SX-F 250 cc 2013\/2015\u003c\/li\u003e \u003cli\u003eKTM XC-F 250 cc 2013\/2014 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486460170,"sku":"56-T1008.C_ATH","price":247.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1008.C_ATH.jpg?v=1750685587"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-yz-250f-19-23-athena-p5f0770212009b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA YZ 250F 19-23, ATHENA P5F0770212009B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,96 mm + Top End Gasket Kit - P5F0770212009B\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e\n\n\u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e\n\n\u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e\n\n\u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e\n\n\u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e\n\n\u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e\n\n\u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e\n\n\u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e\n\n\u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e\n\n\u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig End Pin Diameter (mm) 16x9,5x38\u003c\/li\u003e\n\t\u003cli\u003eBore Diameter (mm) 76.96\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm) 20.20\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.5:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 250\u003c\/li\u003e\n\t\u003cli\u003eNumber Of Segments 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Type Standard\u003c\/li\u003e\n\t\u003cli\u003ePiston Type Forged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA YZ F 250 cc 2019\/2023\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486525706,"sku":"56-T1007.B_ATH","price":240.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1007.B_ATH.jpg?v=1750685587"},{"product_id":"top-end-piston-gasket-kit-78mm-kawasaki-kx-250-2020-athena-p5f0780069003a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 78MM KAWASAKI KX 250 2020, ATHENA P5F0780069003A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,96 mm + Top End Gasket Kit - P5F0780069003A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  77.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.00\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.3:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKAWASAKI KX F 250 cc 2020 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486656778,"sku":"56-T1009.A_ATH","price":237.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1009.A_ATH.jpg?v=1750685587"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-20-23-athena-p5f0780093001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 20-23, ATHENA P5F0780093001A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,95 mm + Top End Gasket Kit - P5F0780093001A\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e\n\n\u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e\n\n\u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e\n\n\u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e\n\n\u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e\n\n\u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e\n\n\u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e\n\n\u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e\n\n\u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e\n\n\u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig End Pin Diameter (mm) 16x9x38,2\u003c\/li\u003e\n\t\u003cli\u003eBore Diameter (mm) 77.95\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm) 19.40\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.9:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 250\u003c\/li\u003e\n\t\u003cli\u003eNumber Of Segments 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Type Biconical\u003c\/li\u003e\n\t\u003cli\u003ePiston Type Forged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eGAS GAS EC F 250 cc 2021\/2023\u003c\/li\u003e\n\t\u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2020\/2023\u003c\/li\u003e\n\t\u003cli\u003eKTM EXC-F 250 cc 2020\/2023\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486722314,"sku":"56-T1013.A_ATH","price":232.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1013.A_ATH.jpg?v=1750685587"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-14-16-athena-p5f0780074001b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 14-16, ATHENA P5F0780074001B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,96 mm + Top End Gasket Kit - P5F0780074001B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2016\u003c\/li\u003e \u003cli\u003eKTM EXC-F 250 cc 2014\/2016\u003c\/li\u003e \u003cli\u003eKTM XCF-W 250 cc 2014\/2016 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486787850,"sku":"56-T1010.B_ATH","price":247.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1010.B_ATH.jpg?v=1750685588"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-16-18-athena-p5f0770187009a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 16-18, ATHENA P5F0770187009A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,95 mm + Top End Gasket Kit - P5F0770187009A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.Some pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9,5x38\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.95\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.20\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2018\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2016\/2018 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486886154,"sku":"56-T1006.A_ATH","price":225.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1006.A_ATH.jpg?v=1750685588"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-14-16-athena-p5f0780074001c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 14-16, ATHENA P5F0780074001C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,97 mm + Top End Gasket Kit - P5F0780074001C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2016\u003c\/li\u003e \u003cli\u003eKTM EXC-F 250 cc 2014\/2016\u003c\/li\u003e \u003cli\u003eKTM XCF-W 250 cc 2014\/2016 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391486918922,"sku":"56-T1010.C_ATH","price":247.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1010.C_ATH.jpg?v=1750685589"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-sx-f-250-16-22-athena-p5f0780078002a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM SX-F 250 16-22, ATHENA P5F0780078002A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,96 mm + Top End Gasket Kit - P5F0780078002A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.50\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.4:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGAS GAS MC F 250 cc 2021\/2022\u003c\/li\u003e \u003cli\u003eHUSQVARNA FC Ktm engine 250 cc 2016\/2022\u003c\/li\u003e \u003cli\u003eKTM SX-F 250 cc 2016\/2022\u003c\/li\u003e \u003cli\u003eKTM XC-F 250 cc 2016\/2022 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487148298,"sku":"56-T1012.A_ATH","price":219.38,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1012.A_ATH.jpg?v=1750685590"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-yz-250f-19-22-athena-p5f0770212009c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA YZ 250F 19-22, ATHENA P5F0770212009C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,97 mm + Top End Gasket Kit - P5F0770212009C\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e\n\n\u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e\n\n\u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e\n\n\u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e\n\n\u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e\n\n\u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e\n\n\u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e\n\n\u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e\n\n\u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e\n\n\u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig End Pin Diameter (mm) 16x9,5x38\u003c\/li\u003e\n\t\u003cli\u003eBore Diameter (mm) 76.97\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm) 20.20\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.5:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 250\u003c\/li\u003e\n\t\u003cli\u003eNumber Of Segments 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Type Standard\u003c\/li\u003e\n\t\u003cli\u003ePiston Type Forged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA YZ F 250 cc 2019\/2023\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487213834,"sku":"56-T1007.C_ATH","price":240.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1007.C_ATH.jpg?v=1750685590"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-sx-f-250-16-22-athena-p5f0780078002b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM SX-F 250 16-22, ATHENA P5F0780078002B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,97 mm + Top End Gasket Kit - P5F0780078002B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.50\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.4:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGAS GAS MC F 250 cc 2021\/2022\u003c\/li\u003e \u003cli\u003eHUSQVARNA FC Ktm engine 250 cc 2016\/2022\u003c\/li\u003e \u003cli\u003eKTM SX-F 250 cc 2016\/2022\u003c\/li\u003e \u003cli\u003eKTM XC-F 250 cc 2016\/2022 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487246602,"sku":"56-T1012.B_ATH","price":219.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1012.B_ATH.jpg?v=1750685590"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-20-22-athena-p5f0780093001c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 20-22, ATHENA P5F0780093001C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,97 mm + Top End Gasket Kit - P5F0780093001C\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e\n\n\u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e\n\n\u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e\n\n\u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e\n\n\u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e\n\n\u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e\n\n\u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e\n\n\u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e\n\n\u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e\n\n\u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig End Pin Diameter (mm) 16x9x38,2\u003c\/li\u003e\n\t\u003cli\u003eBore Diameter (mm) 77.97\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm) 19.40\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.9:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 250\u003c\/li\u003e\n\t\u003cli\u003eNumber Of Segments 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Type Biconical\u003c\/li\u003e\n\t\u003cli\u003ePiston Type Forged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eGAS GAS EC F 250 cc 2021\/2023\u003c\/li\u003e\n\t\u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2020\/2023\u003c\/li\u003e\n\t\u003cli\u003eKTM EXC-F 250 cc 2020\/2023\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487574282,"sku":"56-T1013.C_ATH","price":232.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1013.C_ATH.jpg?v=1750685591"},{"product_id":"top-end-piston-gasket-kit-78mm-kawasaki-kx-250-2020-athena-p5f0780069003b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 78MM KAWASAKI KX 250 2020, ATHENA P5F0780069003B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,97 mm + Top End Gasket Kit - P5F0780069003B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  77.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.00\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.3:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKAWASAKI KX F 250 cc 2020 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487607050,"sku":"56-T1009.B_ATH","price":237.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1009.B_ATH.jpg?v=1750685591"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-14-15-athena-p5f0770187008a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 14-15, ATHENA P5F0770187008A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,96 mm + Top End Gasket Kit - P5F0770187008A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x42\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2015\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2014\/2015\u003c\/li\u003e \u003cli\u003eYAMAHA YZ FX 250 cc 2015 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487639818,"sku":"56-T1005.A_ATH","price":231.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1005.A_ATH.jpg?v=1750685592"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-17-19-athena-p5f0780078001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 17-19, ATHENA P5F0780078001A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,95 mm + Top End Gasket Kit - P5F0780078001A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.95\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2017\/2019\u003c\/li\u003e \u003cli\u003eKTM EXC-F 250 cc 2017\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487770890,"sku":"56-T1011.A_ATH","price":219.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1011.A_ATH.jpg?v=1750685592"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-16-18-athena-p5f0770187009c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 16-18, ATHENA P5F0770187009C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,97 mm + Top End Gasket Kit - P5F0770187009C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9,5x38\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  20.20\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2018\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2016\/2018 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391487803658,"sku":"56-T1006.C_ATH","price":225.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1006.C_ATH.jpg?v=1750685592"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-sx-f-250-16-22-athena-p5f0780078002c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM SX-F 250 16-22, ATHENA P5F0780078002C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,98 mm + Top End Gasket Kit - P5F0780078002C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.98\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.50\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.4:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGAS GAS MC F 250 cc 2021\/2022\u003c\/li\u003e \u003cli\u003eHUSQVARNA FC Ktm engine 250 cc 2016\/2022\u003c\/li\u003e \u003cli\u003eKTM SX-F 250 cc 2016\/2022\u003c\/li\u003e \u003cli\u003eKTM XC-F 250 cc 2016\/2022 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391488065802,"sku":"56-T1012.C_ATH","price":219.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1012.C_ATH.jpg?v=1750685593"},{"product_id":"top-end-piston-gasket-kit-96mm-kawasaki-kx-450-f-2015-athena-p5f0960055005a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 96MM KAWASAKI KX 450 F 2015, ATHENA P5F0960055005A, SET A","description":"\u003cp\u003eTechnical features\u003cbr\u003e\nBig End Pin Diameter (mm)     19x10x45\u003cbr\u003e\nBore Diameter (mm)     95.95\u003cbr\u003e\nCompression Height (mm)     23.60\u003cbr\u003e\nCompression Ratio     12.8:1\u003cbr\u003e\nDisplacement (cc)     450.00\u003cbr\u003e\nNet Weight (Kg)     0.69\u003cbr\u003e\nNumber Of Segments     2\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Forged\u003c\/p\u003e\n\n\u003cp\u003eFITMENT\u003cbr\u003e\nKAWASAKI KX 450 cc 2015 \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391488229642,"sku":"56-T1040.A_ATH","price":274.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1040.A_ATH.jpg?v=1750685594"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-sx-f-xc-f-250-13-15-athena-p5f0780063001b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM SX-F\/XC-F 250 13-15, ATHENA P5F0780063001B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,96 mm + Top End Gasket Kit - P5F0780063001B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FC Ktm engine 250 cc 2014\/2015\u003c\/li\u003e \u003cli\u003eKTM SX-F 250 cc 2013\/2015\u003c\/li\u003e \u003cli\u003eKTM XC-F 250 cc 2013\/2014 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391488393482,"sku":"56-T1008.B_ATH","price":247.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1008.B_ATH.jpg?v=1750685595"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-14-16-athena-p5f0780074001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 14-16, ATHENA P5F0780074001A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,95 mm + Top End Gasket Kit - P5F0780074001A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.95\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2016\u003c\/li\u003e \u003cli\u003eKTM EXC-F 250 cc 2014\/2016\u003c\/li\u003e \u003cli\u003eKTM XCF-W 250 cc 2014\/2016 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391488983306,"sku":"56-T1010.A_ATH","price":247.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1010.A_ATH.jpg?v=1750685598"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-17-19-athena-p5f0780078001c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 17-19, ATHENA P5F0780078001C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,97 mm + Top End Gasket Kit - P5F0780078001C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x38,2\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  77.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.40\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.9:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2017\/2019\u003c\/li\u003e \u003cli\u003eKTM EXC-F 250 cc 2017\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391489573130,"sku":"56-T1011.C_ATH","price":219.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1011.C_ATH.jpg?v=1750685601"},{"product_id":"top-end-piston-gasket-kit-78mm-ktm-exc-f-250-20-23-athena-p5f0780093001b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 78MM KTM EXC-F 250 20-23, ATHENA P5F0780093001B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 77,96 mm + Top End Gasket Kit - P5F0780093001B\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e\n\n\u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e\n\n\u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e\n\n\u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e\n\n\u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e\n\n\u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e\n\n\u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e\n\n\u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e\n\n\u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e\n\n\u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig End Pin Diameter (mm) 16x9x38,2\u003c\/li\u003e\n\t\u003cli\u003eBore Diameter (mm) 77.96\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm) 19.40\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.9:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 250\u003c\/li\u003e\n\t\u003cli\u003eNumber Of Segments 2\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Type Biconical\u003c\/li\u003e\n\t\u003cli\u003ePiston Type Forged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eGAS GAS EC F 250 cc 2021\/2023\u003c\/li\u003e\n\t\u003cli\u003eHUSQVARNA FE Ktm engine 250 cc 2020\/2023\u003c\/li\u003e\n\t\u003cli\u003eKTM EXC-F 250 cc 2020\/2023\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391490031882,"sku":"56-T1013.B_ATH","price":232.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1013.B_ATH.jpg?v=1750685604"},{"product_id":"top-end-piston-gasket-kit-44-5mm-ktm-sx-tc-mc-65-athena-p4c0450047002a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 44.5MM KTM SX, TC, MC 65, ATHENA P4C0450047002A, SET A","description":"\u003cp\u003e\u003cstrong\u003eTechnical features\u003c\/strong\u003e\u003cbr\u003e\nBig End Pin Diameter (mm)     12x8x37\u003cbr\u003e\nBore Diameter (mm)     44.96\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     65.00\u003cbr\u003e\nNet Weight (Kg)     0.35\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Standard\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eFitment\u003cbr\u003e\nGAS GAS MC 65 cc 2021\/2023\u003cbr\u003e\nHUSQVARNA TC 65 cc 2017\/2023\u003cbr\u003e\nKTM SX 65 cc 2009\/2023\u003cbr\u003e\nKTM XC 65 cc 2009\/2010 \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391490523402,"sku":"56-T1018.A_ATH","price":96.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1018.A_ATH.jpg?v=1750685606"},{"product_id":"top-end-piston-gasket-kit-79mm-honda-crf-250-20-21-athena-p5f0790319002a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 79MM HONDA CRF 250 20-21, ATHENA P5F0790319002A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 78,95 mm + Top End Gasket Kit - P5F0790319002A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  78.95\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  18.70\u003c\/li\u003e \u003cli\u003eCompression Ratio  14.1:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2020\/2021 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391490785546,"sku":"56-T1015.A_ATH","price":244.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1015.A_ATH.jpg?v=1750685608"},{"product_id":"top-end-piston-gasket-kit-44-5mm-kawasaki-kx-65-00-23-athena-p4c0445008001b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 44.5MM KAWASAKI KX 65 00-23, ATHENA P4C0445008001B, SET B","description":"\u003cp\u003e\u003cstrong\u003eTechnical features\u003c\/strong\u003e\u003cbr\u003e\nBig End Pin Diameter (mm)     12x8x36,5\u003cbr\u003e\nBore Diameter (mm)     44.46\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     65.00\u003cbr\u003e\nNet Weight (Kg)     0.34\u003cbr\u003e\nNumber Of Segments     2\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eFitment\u003cbr\u003e\nKAWASAKI KX 65 cc 2000\/2023 \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391491473674,"sku":"56-T1017.B_ATH","price":91.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1017.B_ATH.jpg?v=1750685611"},{"product_id":"top-end-piston-gasket-kit-77mm-honda-crf-250-10-13-athena-p5f0768245001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 77MM HONDA CRF 250 10-13, ATHENA P5F0768245001A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,75 mm + Top End Gasket Kit - P5F0768245001A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x41,5\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.75\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.00\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.2:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2010\/2013 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391491506442,"sku":"56-T1000.A_ATH","price":225.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1000.A_ATH.jpg?v=1750685611"},{"product_id":"top-end-piston-gasket-kit-77mm-honda-crf-250-14-15-athena-p5f0768245002c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 77MM HONDA CRF 250 14-15, ATHENA P5F0768245002C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,77 mm + Top End Gasket Kit - P5F0768245002C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x41,5\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.77\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.10\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2014\/2015 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391491637514,"sku":"56-T1001.C_ATH","price":225.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1001.C_ATH.jpg?v=1750685612"},{"product_id":"top-end-piston-gasket-kit-77mm-yamaha-wr-yz-250-08-13-athena-p5f0770039007b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 77MM YAMAHA WR\/YZ 250 08-13, ATHENA P5F0770039007B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,97 mm + Top End Gasket Kit - P5F0770039007B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x42\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.97\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  22.30\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  3\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA WR F 250 cc 2008\/2013\u003c\/li\u003e \u003cli\u003eYAMAHA YZ F 250 cc 2008\/2013 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391491768586,"sku":"56-T1003.B_ATH","price":231.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1003.B_ATH.jpg?v=1750685612"},{"product_id":"top-end-piston-gasket-kit-43-5mm-yamaha-yz-65-18-25-athena-p4c0435198001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 43.5MM YAMAHA YZ 65 18-25, ATHENA P4C0435198001A, SET A","description":"\u003cp\u003e\u003cstrong\u003eTechnical features\u003c\/strong\u003e\u003cbr\u003e\nBig End Pin Diameter (mm)     12x35x8\u003cbr\u003e\nBore Diameter (mm)     43.44\u003cbr\u003e\nCompression Height (mm)     24.00\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eYAMAHA YZ 65 cc 2018\/2025\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391491932426,"sku":"56-T1016.A_ATH","price":102.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1016.A_ATH.jpg?v=1750685613"},{"product_id":"top-end-piston-gasket-kit-77mm-honda-crf-250-14-15-athena-p5f0768245002a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 77MM HONDA CRF 250 14-15, ATHENA P5F0768245002A, SET A","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,75 mm + Top End Gasket Kit - P5F0768245002A\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x41,5\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.75\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.10\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Standard\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2014\/2015 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492129034,"sku":"56-T1001.A_ATH","price":225.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1001.A_ATH.jpg?v=1750685613"},{"product_id":"top-end-piston-gasket-kit-44-5mm-ktm-sx-tc-mc-65-athena-p4c0450047002b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 44.5MM KTM SX, TC, MC 65, ATHENA P4C0450047002B, SET B","description":"\u003cp\u003e\u003cstrong\u003eTechnical features\u003c\/strong\u003e\u003cbr\u003e\nBig End Pin Diameter (mm)     12x8x37\u003cbr\u003e\nBore Diameter (mm)     44.96\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     65.00\u003cbr\u003e\nNet Weight (Kg)     0.35\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Standard\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eFitment\u003cbr\u003e\nGAS GAS MC 65 cc 2021\/2023\u003cbr\u003e\nHUSQVARNA TC 65 cc 2017\/2023\u003cbr\u003e\nKTM SX 65 cc 2009\/2023\u003cbr\u003e\nKTM XC 65 cc 2009\/2010 \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492161802,"sku":"56-T1018.B_ATH","price":96.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1018.B_ATH.jpg?v=1750685614"},{"product_id":"top-end-piston-gasket-kit-47mm-ktm-sx-tc-mc-85-athena-p4c0470088005a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 47MM KTM SX, TC, MC, 85, ATHENA P4C0470088005A, SET A","description":"\u003cp\u003eTechnical features\u003cbr\u003e\nBig End Pin Diameter (mm)     14x9,5x40\u003cbr\u003e\nBore Diameter (mm)     46.94\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     85.00\u003cbr\u003e\nNet Weight (Kg)     0.36\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFITMENT\u003c\/strong\u003e\u003cbr\u003e\nGAS GAS MC 85 cc 2021\/2024\u003cbr\u003e\nHUSQVARNA TC Ktm engine 85 cc 2018\/2024\u003cbr\u003e\nKTM SX 85 cc 2018\/2024 \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492358410,"sku":"56-T1020.A_ATH","price":117.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1020.A_ATH.jpg?v=1750685614"},{"product_id":"top-end-piston-gasket-kit-77mm-honda-crf-250-16-17-athena-p5f0768245003c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 77MM HONDA CRF 250 16-17, ATHENA P5F0768245003C, SET C","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,77 mm + Top End Gasket Kit - P5F0768245003C\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x10x43,5\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.77\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.20\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.5:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA CRF R 250 cc 2016\/2017 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492423946,"sku":"56-T1002.C_ATH","price":225.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1002.C_ATH.jpg?v=1750685614"},{"product_id":"top-end-piston-gasket-kit-47-5mm-yamaha-yz85-02-18-athena-p4c0475089003c-set-c","title":"TOP END PISTON \u0026 GASKET KIT 47.5MM YAMAHA YZ85 02-18, ATHENA P4C0475089003C, SET C","description":"\u003cp\u003eTechnical features\u003cbr\u003e\nBig End Pin Diameter (mm)     14x9x39\u003cbr\u003e\nBore Diameter (mm)     47.46\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     85.00\u003cbr\u003e\nNet Weight (Kg)     0.35\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eFITMENT\u003cbr\u003e\nYAMAHA YZ 85 cc 2002\/2018 \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492456714,"sku":"56-T1021.C_ATH","price":82.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1021.C_ATH.jpg?v=1750685615"},{"product_id":"top-end-piston-gasket-kit-77mm-suzuki-rm-z-250-10-18-athena-p5f0770098004b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 77MM SUZUKI RM-Z 250 10-18, ATHENA P5F0770098004B, SET B","description":"\u003cp\u003eATHENA Top End Piston Kit: Forged 4-Stroke Piston Ø 76,96 mm + Top End Gasket Kit - P5F0770098004B\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eTHE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS\u003c\/p\u003e \u003cp\u003eHaving two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a forged 4-stroke piston and the top end gasket kit.\u003c\/p\u003e \u003cp\u003eAthena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.\u003c\/p\u003e \u003cp\u003ePERFORMANCE, DURABILITY, SMOOTHING\u003c\/p\u003e \u003cp\u003eThe pistons for 4-stroke Off-Road motorcycles are made by reverse extrusion and produced with state-of-the-art numerical control (CNC) machines. Athena pistons are made of special high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The perfectly smooth profile ensures a regular flow and the perfect flame propagation.\u003c\/p\u003e \u003cp\u003eSome pistons’ skirts are moreover treated with a molybdenum disulfide coating applied by screen printing which further reduce friction to enhance performance and durability.\u003c\/p\u003e \u003cp\u003ePiston rings guarantee less friction with the cylinder and therefore a higher performance. The segments included, Made in Japan, have a wear-resistant coatings (PVD or chromium nitride) to increase the retain and the durability.\u003c\/p\u003e \u003cp\u003eSEAL, RELIABILITY\u003c\/p\u003e \u003cp\u003eDue to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. The Athena gasket kits are based on solid know-how, constant technological development lead by an internal team of engineers and designers; the production carried out strictly following the strict parameters set by the manufacturers. The use of the latest generation lasers guarantees perfect cutting quality.\u003c\/p\u003e \u003cp\u003eFurthermore, Athena has a wide availability of raw materials, performs surface treatments to compensate for surface irregularities and follows material stress-relieving processes to improve sealing in the most critical areas.\u003c\/p\u003e \u003cp\u003eFind out now the Top End Piston Kit best suited to your bike by consulting the compatibility tables.\u003c\/p\u003e \u003cp\u003eAll Athena products produced in greater displacement and power than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.\u003c\/p\u003e \u003cp\u003eGuarantee of compliance should not be applicable to products destined for competitive sports use or which are used in high-performance or high-speed applications unless it is a clear case of faultiness.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBig End Pin Diameter (mm)  16x9x40,1\u003c\/li\u003e \u003cli\u003eBore Diameter (mm)  76.96\u003c\/li\u003e \u003cli\u003eCompression Height (mm)  19.70\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.4:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003cli\u003eNumber Of Segments  2\u003c\/li\u003e \u003cli\u003ePiston Pin Type  Biconical\u003c\/li\u003e \u003cli\u003ePiston Type  Forged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSUZUKI RM-Z 250 cc 2010\/2018 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492555018,"sku":"56-T1004.B_ATH","price":231.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1004.B_ATH.jpg?v=1750685615"},{"product_id":"top-end-piston-gasket-kit-48-5mm-kawasaki-kx85-14-21-athena-p4c0485065003b-set-b","title":"TOP END PISTON \u0026 GASKET KIT 48.5MM KAWASAKI KX85 14-21, ATHENA P4C0485065003B, SET B","description":"\u003cp\u003eTechnical features\u003cbr\u003e\nBig End Pin Diameter (mm)     14x9,5x40\u003cbr\u003e\nBore Diameter (mm)     48.46\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     85.00\u003cbr\u003e\nNet Weight (Kg)     0.39\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Standard\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFITMENT\u003c\/strong\u003e\u003cbr\u003e\nKAWASAKI KX 85 cc 2014\/2021 \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492718858,"sku":"56-T1023.B_ATH","price":111.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1023.B_ATH.jpg?v=1750685615"},{"product_id":"top-end-piston-gasket-kit-44-5mm-kawasaki-kx-65-00-23-athena-p4c0445008001a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 44.5MM KAWASAKI KX 65 00-23, ATHENA P4C0445008001A, SET A","description":"\u003cp\u003e\u003cstrong\u003eTechnical features\u003c\/strong\u003e\u003cbr\u003e\nBig End Pin Diameter (mm)     12x8x36,5\u003cbr\u003e\nBore Diameter (mm)     44.45\u003cbr\u003e\nCompression Ratio     STD\u003cbr\u003e\nDisplacement (cc)     65.00\u003cbr\u003e\nNet Weight (Kg)     0.34\u003cbr\u003e\nNumber Of Segments     2\u003cbr\u003e\nPiston Head Type     Domed\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eFitment\u003cbr\u003e\nKAWASAKI KX 65 cc 2000\/2023 \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492751626,"sku":"56-T1017.A_ATH","price":91.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1017.A_ATH.jpg?v=1750685615"},{"product_id":"top-end-piston-gasket-kit-54mm-ktm-sx-125-16-22-athena-p4c0540077020a-set-a","title":"TOP END PISTON \u0026 GASKET KIT 54MM KTM SX 125 16-22, ATHENA P4C0540077020A, SET A","description":"\u003cp\u003eTechnical features\u003cbr\u003e\nBig End Pin Diameter (mm)     15x10x45\u003cbr\u003e\nBore Diameter (mm)     53.94\u003cbr\u003e\nDisplacement (cc)     125.00\u003cbr\u003e\nLine     Enduro\u003cbr\u003e\nNet Weight (Kg)     0.46\u003cbr\u003e\nNumber Of Segments     1\u003cbr\u003e\nPiston Pin Type     Biconical\u003cbr\u003e\nPiston Type     Cast\u003c\/p\u003e\n\n\u003cp\u003eFITMENT\u003cbr\u003e\nGAS GAS MC 125 cc 2021\/2023\u003cbr\u003e\nHUSQVARNA TC Ktm engine 125 cc 2016\/2022\u003cbr\u003e\nHUSQVARNA TX Ktm engine 125 cc 2017\/2019\u003cbr\u003e\nKTM SX 125 cc 2016\/2022 \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51391492882698,"sku":"56-T1025.A_ATH","price":148.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-T1025.A_ATH.jpg?v=1750685616"}],"url":"https:\/\/2bros-mx.com\/collections\/athena.oembed?page=8","provider":"2bros-mx.com","version":"1.0","type":"link"}