{"title":"Cylinder Kits","description":"\u003cp\u003eShop Cylinder Kits at 2bros-mx.com — premium UK-supplied Moto X and ATV parts selected for durability, fitment and race-ready performance.\u003c\/p\u003e\u003cp\u003eThis range focuses on parts \u0026amp; accessories — ideal when you want better performance, durability and reliability without compromising on quality. Built to help you dial in your bike or quad — from quick replacements to performance upgrades and workshop essentials.\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\u003eQuestions about compatibility or stock? Call +44 330 133 3748 or email info@2bros-mx.com.\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"cylinder-kit-97mm-yamaha-yz-450-20-22-athena-ec485-091-std-bore-piston-not-included","title":"CYLINDER KIT 97MM YAMAHA YZ 450 20-22, ATHENA EC485-091 STD BORE, (Piston not included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 97 mm, 450 cc with Gaskets required for installation (no piston included) - EC485-091\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003c\/p\u003e \u003cp\u003eAll the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eThe Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness.\u003c\/p\u003e \u003cp\u003eThe Easy Cylinder kit includes the high-quality aluminum cylinder with standard bore and top end gasket kit.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  97.00\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  449\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA YZ F 450 cc 2020\/2022 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392292716810,"sku":"56-K312.97.CKA","price":345.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/56-K312_97_CKA.jpg?v=1759592785"},{"product_id":"cylinder-full-kit-82mm-ktm-exc-f-husky-fe-250-17-19-athena-p400270100023-276cc-big-bore-piston-included","title":"CYLINDER FULL KIT 82MM KTM EXC-F\/HUSKY FE 250 17-19, ATHENA P400270100023 276CC BIG BORE, (Piston included)","description":"\u003cp\u003eATHENA Big Bore Cylinder Kit Ø 82 mm, 276 cc - P400270100023 (Includes Piston)\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eAthena’s Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components.\u003c\/p\u003e \u003cp\u003eThe kit includes the high-quality aluminum cylinder with increased bore, the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  82.00\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  276\u003c\/li\u003e \u003cli\u003eNet Weight (Kg)  1.44\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":51392292749578,"sku":"56-k308.82.cka","price":650.05,"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-K308.82.CKA.jpg?v=1750690911"},{"product_id":"cylinder-head-rebuild-kit-honda-1996-2004-xr400-1999-2012-trx400-14771-107-020-14446-kf0-000","title":"CYLINDER HEAD REBUILD KIT HONDA 1996-2004 XR400 1999-2012 TRX400 14771-107-020 14446-KF0-000","description":"\u003cp\u003eThis cylinder head rebuild kit is designed for Honda XR400 (1996–2004) and TRX400 (1999–2012) models, providing a comprehensive solution for restoring cylinder head performance. It includes all necessary components for a high-quality rebuild, ensuring reliability and durability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePrecision-engineered components for exceptional reliability.\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards.\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement.\u003c\/li\u003e\n\t\u003cli\u003eComprehensive kit for complete rebuild.\u003c\/li\u003e\n\t\u003cli\u003eEasy installation; professional assistance recommended if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eRocker Arms (4)\u003c\/li\u003e\n\t\u003cli\u003eRocker Arm Shafts (4)\u003c\/li\u003e\n\t\u003cli\u003eIntake Valves (2)\u003c\/li\u003e\n\t\u003cli\u003eExhaust Valves (2)\u003c\/li\u003e\n\t\u003cli\u003eInner Valve Springs (4)\u003c\/li\u003e\n\t\u003cli\u003eOuter Valve Springs (4)\u003c\/li\u003e\n\t\u003cli\u003eIntake Valve Spring Seats (2)\u003c\/li\u003e\n\t\u003cli\u003eExhaust Valve Spring Seats (2)\u003c\/li\u003e\n\t\u003cli\u003eValve Keepers (8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM Cross-Reference Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e14711-KCY-670 (Valve, Intake)\u003c\/li\u003e\n\t\u003cli\u003e14721-KCY-670 (Valve, Exhaust)\u003c\/li\u003e\n\t\u003cli\u003e14446-KF0-000 (Sub-Rocker Arm, Left Exhaust)\u003c\/li\u003e\n\t\u003cli\u003e14771-107-020 (Valve Spring Retainer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross Reference Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda XR400 1996–2004\u003c\/li\u003e\n\t\u003cli\u003eHonda TRX400 1999–2012\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392292913418,"sku":"56-k900.reb","price":150.58,"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-K900.REB.jpg?v=1750690912"},{"product_id":"cylinder-rebuild-kit-68-50mm-2001-2020-honda-trx250-ex-e-te-tm-12100-hn6-000","title":"CYLINDER REBUILD KIT 68.50mm 2001-2020 HONDA TRX250 EX E TE TM 12100-HN6-000","description":"\u003cp\u003eThis 68.50mm cylinder rebuild kit is a direct OEM replacement designed for specific Honda ATV models. It includes components necessary for a standard engine top-end rebuild, supporting reliable engine operation and performance restoration. Suitable for a range of TRX250 models, the kit is manufactured to match OEM specifications for fit and function.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eConstructed from high-tech materials for durability and reliability\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eReference image before ordering to ensure correct fit\u003c\/li\u003e\n\t\u003cli\u003eEasy to install; professional installation recommended if uncertain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder diameter: 68.50mm\u003c\/li\u003e\n\t\u003cli\u003eIncludes piston, rings, pin, and gaskets for cylinder and head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e12100-HN6-000\u003c\/li\u003e\n\t\u003cli\u003e12191-HM8-000\u003c\/li\u003e\n\t\u003cli\u003e12251-HN6-000\u003c\/li\u003e\n\t\u003cli\u003e13101-HM8-A40\u003c\/li\u003e\n\t\u003cli\u003e13011-HM8-003\u003c\/li\u003e\n\t\u003cli\u003e13111-425-000\u003c\/li\u003e\n\t\u003cli\u003e94601-15000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssemblies where 12100-HN6-000 is used:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e2001 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2002 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2002 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2002 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2003 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2003 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2003 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2004 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2004 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2004 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2005 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2005 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2005 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2006 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2006 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2006 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX250EX A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX250X A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX250X A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2012 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2012 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2012 TRX250X A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2013 TRX250TE AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2013 TRX250TM AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2013 TRX250X AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2014 TRX250TE AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2014 TRX250TM AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2014 TRX250X AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2016 TRX250TE AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2016 TRX250TM AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2016 TRX250X 3AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2016 TRX250X AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2017 TRX250TE AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2017 TRX250TM AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2017 TRX250X 3AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2017 TRX250X AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2018 TRX250TE A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2018 TRX250TE AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2018 TRX250TM A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2018 TRX250TM AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2018 TRX250X A - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2018 TRX250X AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2019 TRX250TE1 AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2019 TRX250TM1 AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2019 TRX250X AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2020 TRX250TE1 AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2020 TRX250TM1 AC - CYLINDER\u003c\/li\u003e\n\t\u003cli\u003e2020 TRX250X AC - CYLINDER\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392292946186,"sku":"56-K902.CYL.KIT","price":191.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/Screenshot_2025-04-10_134621.jpg?v=1759592788"},{"product_id":"cylinder-kit-72-00mm-suzuki-gz-df-dr-gn-250-s-11210-38202","title":"Cylinder kit 72.00mm Suzuki GZ DF DR GN 250 S 11210-38202","description":"\u003cp\u003eCylinder Kit with a 72mm piston, rings, and gasket. This ready-to-install kit offers unmatched reliability and performance, manufactured to the highest standards for a confident engine rebuild. It's the perfect OEM replacement that meets or exceeds original quality.\u003c\/p\u003e\n\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSuper convenient installation - no machine work required\u003c\/li\u003e\n\t\u003cli\u003eIdentical appearance to stock cylinders\u003c\/li\u003e\n\t\u003cli\u003eNickel silicon carbide plated for long-lasting durability\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact size for easy piston installation\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes gaskets, cylinder, and piston\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eProduct Details:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eParts No.: 11210-38202\u003c\/li\u003e\n\t\u003cli\u003eBore size: 72mm\u003c\/li\u003e\n\t\u003cli\u003eWrist Pin: 18mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 249cm3\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle Fitments:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSuzuki GZ250\u003c\/li\u003e\n\t\u003cli\u003eSuzuki LT250\u003c\/li\u003e\n\t\u003cli\u003eSuzuki DF250 (Years 1987)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki DF-250 (Years 1987)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki DR250 (Years 1982, 1983)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki DR-250 (Years 1982, 1983)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki DR250S (Years 1982, 1986, 1987, 1989)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki DR-250S (Years 1982, 1986, 1987, 1989)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki GN250 (Years 1982, 1983, 1985, 1988, 1989, 1990, 1991, 1992, 1993, 1994)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki GN-250 (Years 1982, 1983, 1985, 1988, 1989, 1990, 1991, 1992, 1993, 1994)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki GN250E (Years 1982, 1991)\u003c\/li\u003e\n\t\u003cli\u003eSuzuki GN-250E (Years 1982, 1991)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eCross Reference Numbers:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 11210-38201, 11210-38204-0F0\u003c\/li\u003e\n\t\u003cli\u003eGasket: 11241-38202, 11241-38301, 11141-38200, 11141-25D11\u003c\/li\u003e\n\t\u003cli\u003ePiston (STD): 12111-38201, 12111-38201-0F0\u003c\/li\u003e\n\t\u003cli\u003eRing Set, Piston (STD): 12140-49221, 12140-49270\u003c\/li\u003e\n\t\u003cli\u003ePin: 12151-15501\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 09381-18002\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eNotes:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePlease refer to the product image before ordering to ensure compatibility and avoid mistakes.\u003c\/li\u003e\n\t\u003cli\u003eThis cylinder kit offers the best value for your money.\u003c\/li\u003e\n\t\u003cli\u003eORO products are high-quality replacement parts and come with our guarantee of your satisfaction.\u003c\/li\u003e\n\t\u003cli\u003eWhile installation is easy, we recommend professional assistance if you're unsure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392292978954,"sku":"56-K9993.72.KIT","price":105.97,"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-K9993.72.KIT.jpg?v=1750690912"},{"product_id":"cylinder-kit-std-64-00mm-yamaha-yfz-350-banshee-2gu-11311-00-00","title":"CYLINDER KIT STD 64.00mm YAMAHA YFZ 350 BANSHEE 2GU-11311-00-00","description":"\u003cp\u003eThis standard bore cylinder kit is designed for the Yamaha Banshee YFZ350 models produced between 1987 and 2006. It includes all necessary components for a top-end motor rebuild, including cylinders, pistons, and gaskets. The cylinders come with a Nicoseal coating and are not intended for overboring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eComplete top-end rebuild kit for Yamaha Banshee 350\u003c\/li\u003e\n\t\u003cli\u003eIncludes standard size 64.00mm Nicosealed cylinders\u003c\/li\u003e\n\t\u003cli\u003eNot boreable due to Nicoseal coating\u003c\/li\u003e\n\t\u003cli\u003eSupplied with pistons and all necessary gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 64.00mm (Standard)\u003c\/li\u003e\n\t\u003cli\u003eCoating Type: Nicosealed\u003c\/li\u003e\n\t\u003cli\u003ePart Number: 56-K232.KIT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e2GU-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003e2GU-11321-00-00\u003c\/li\u003e\n\t\u003cli\u003e2GU-11181-00-00\u003c\/li\u003e\n\t\u003cli\u003e2GU-11631-00-94\u003c\/li\u003e\n\t\u003cli\u003e2GU-11610-01-00\u003c\/li\u003e\n\t\u003cli\u003e4L0-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003e93450-17129-00\u003c\/li\u003e\n\t\u003cli\u003e93310-316D6-00\u003c\/li\u003e\n\t\u003cli\u003e3GG-11351-02-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYamaha Banshee YFZ350 (1987–2006)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392293437706,"sku":"56-k232.kit","price":249.24,"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-K232.KIT.jpg?v=1750690916"},{"product_id":"cylinder-kit-85-00mm-honda-trx400-xr400-96-04-honda-12100-kcy-670","title":"CYLINDER KIT 85.00mm HONDA TRX400 XR400 96-04 HONDA 12100-KCY-670","description":"\u003cp\u003e\u003cstrong\u003eTOP END CYLINDER REBUILD BORE 85mm, KIT HONDA XR 400R 1996-2004\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda TRX400EX 1999-2008\u003c\/li\u003e\n\t\u003cli\u003eHonda XR400EX 1996-2009\u003cbr\u003e\n\t \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis item includes:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder 85mm\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003ePiston rings\u003c\/li\u003e\n\t\u003cli\u003ePiston pin\u003c\/li\u003e\n\t\u003cli\u003eCirclips\u003c\/li\u003e\n\t\u003cli\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eNGK spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eProduct Features:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eBest value for money\u003c\/li\u003e\n\t\u003cli\u003eORO products are a high-quality replacement part and carry our guarantee of your satisfaction\u003c\/li\u003e\n\t\u003cli\u003ePlease check the image before ordering to avoid mistakes\u003c\/li\u003e\n\t\u003cli\u003eEasy to install, but if unsure, please seek professional assistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Please make sure that everything is correct with the old Connecting Rod Kit before fitting. Fitting without checking is not our responsibility.\u003c\/p\u003e\n\n\u003cp\u003ePart No. 56-K216.KIT.STD (oro2u.com)\u003c\/p\u003e\n\n\u003cp\u003eCross-reference numbers ONLY: 13011-KCY-670, 13101-KCY-670, 13111-KCY-670, 90601-KA5-000, 12100-KCY-670 \/ 12191-KCY-672 \/ 13011-KCY-670 \/ 13101-KCY-670\u003cbr\u003e\n90601-KA5-000 \/ 13111-KCY-670 \/ 12251-HN1-003 \/ 12391-KCY-671\u003cbr\u003e\n14560-KCW-851 \/ 12100-HN1-A70 \/ 12191-KCY-672\u003c\/p\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392293536010,"sku":"56-k900.kit.std","price":178.13,"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-K900.KIT.STD.jpg?v=1750690916"},{"product_id":"cylinder-full-kit-82mm-yamaha-yz-250f-19-24-athena-p400485100097-283cc-big-bore-piston-included","title":"CYLINDER FULL KIT 82mm YAMAHA YZ 250F 19-24, ATHENA P400485100097 283CC BIG BORE, (Piston included)","description":"\u003cp\u003eATHENA Big Bore Cylinder Kit Ø 82 mm, 283 cc - P400485100097 (Includes Piston)\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e\n\n\u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e\n\n\u003cp\u003eAthena’s Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes the high-quality aluminum cylinder with increased bore, the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e\n\n\u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e\n\n\u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e\n\n\u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Diameter (mm) 81.00\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 13.6:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 276\u003c\/li\u003e\n\t\u003cli\u003eNet Weight (Kg) 1.38\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePartner Cross Reference code and Optional Parts\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eS4F08100005A Forged Piston 80,95\u003c\/li\u003e\n\t\u003cli\u003eS4F08100005B Forged Piston 80,96\u003c\/li\u003e\n\t\u003cli\u003eP400485160192 Gaskets Kit For Athena Cylinder Kit\u003c\/li\u003e\n\t\u003cli\u003eS41316296 Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA WR F 250 cc 2020\/2024\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA YZ F 250 cc 2019\/2024\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA YZ FX 250 cc 2020\/2024\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392295960842,"sku":"56-K250.82.KIT","price":674.13,"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-K250.82.KIT.jpg?v=1750690929"},{"product_id":"cylinder-full-kit-78mm-17-19-ktm-exc-f-husqvarna-fe-250-athena-p400270100022-std-bore-piston-included","title":"CYLINDER FULL KIT 78mm 17-19 KTM EXC-F HUSQVARNA FE 250 ATHENA P400270100022 STD BORE PISTON INCLUDED","description":"\u003cp\u003e\u003cstrong\u003eAthena Standard Bore Cylinder Kit Ø 78 mm, 250 cc - P400270100022 (Includes Piston)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Athena has been a dedicated leader in the cylinder aftermarket replacement parts industry for over a decade, continually striving to enhance production and performance.\u003c\/p\u003e\n\n\u003cp\u003eAll Athena cylinders are meticulously engineered in Italy by the Athena R\u0026amp;D Department, leveraging a robust internal knowledge base and state-of-the-art tools for the design and rigorous testing of each component. These cylinders are expertly coated with motor-nicksil, a proprietary nickel-silicon compound developed by Athena to achieve superior smoothness and exceptional wear resistance.\u003c\/p\u003e\n\n\u003cp\u003eAthena's cylinder kits and their constituent parts have garnered global recognition for their exceptional performance, unparalleled durability, and unwavering reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe Standard Bore Cylinder Kit from Athena ensures identical performance to original spare parts, marked by outstanding reliability and superb smoothness. This is achieved through the use of a lightweight aluminum cylinder, a barrel coated with nickel-silicon, and a piston meticulously designed to reduce friction.\u003c\/p\u003e\n\n\u003cp\u003eThe kit comprises a high-quality aluminum cylinder with a standard bore, a complete piston with piston pin and rings, and all requisite gaskets.\u003c\/p\u003e\n\n\u003cp\u003eEvery component within this kit has been meticulously engineered to withstand extreme temperatures, pressures, and stresses. They have undergone rigorous testing by Athena technicians through both strenuous bench and road trials.\u003c\/p\u003e\n\n\u003cp\u003eInstallation of this cylinder kit can be executed without necessitating any modifications to the engine crankcase.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCAUTION:\u003c\/strong\u003e The use of all Athena products must strictly adhere to the specific national regulations of the member state in which they are marketed or sold. Athena disclaims all responsibility for any improper use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Features:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Diameter (mm): 78.00\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc): 250\u003c\/li\u003e\n\t\u003cli\u003eNet Weight (Kg): 1.43\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHUSQVARNA FE KTM engine 250 cc 2017\/2019\u003c\/li\u003e\n\t\u003cli\u003eKTM EXC-F 250 cc 2017\/2019\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392296288522,"sku":"56-k308.78.cka","price":520.86,"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-K308.78.CKA.jpg?v=1750690930"},{"product_id":"cylinder-kit-polaris-rzr-900-std-93mm-bronco-at-09482k-ca-50004k","title":"CYLINDER KIT POLARIS RZR 900 STD 93mm, BRONCO AT-09482K CA-50004K","description":"\u003cp\u003eCYLINDER KIT POLARIS RZR 900 STD 93mm\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRZR 4 900 2012-14\u003c\/li\u003e \u003cli\u003e \u003c\/li\u003e \u003cli\u003eRZR XP 900 2011-14\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eINCLUDES-\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAT-09482 ALUMINUM CYLINDER, TWIN\u003c\/li\u003e \u003cli\u003eNA-50090-NIT(X2) NAMURA PISTON KIT\u003c\/li\u003e \u003cli\u003eNA-50090T-NIT NAMURA TOP END GASKET SET\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e  \u003c\/p\u003e","brand":"Bronco","offers":[{"title":"Default Title","offer_id":51392296419594,"sku":"56-k309.93.ck","price":632.27,"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-K309.93.CK.jpg?v=1750690931"},{"product_id":"cylinder-full-kit-97mm-yamaha-yz-450f-20-22-athena-p400485100091-std-bore-piston-included","title":"CYLINDER FULL KIT 97mm YAMAHA YZ 450F 20-22, ATHENA P400485100091 STD BORE, (Piston included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 97 mm, 450 cc - P400485100091 (Includes Piston)\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena  has been constantly investing in cylinder aftermarket replacement parts  for more than ten years, to improve their production and performance.\u003c\/p\u003e \u003cp\u003eAll  the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D  Department which has a strong internal know-how and cutting-edge tools  to design and test each piece. They are coated with motor-nicksil, a  nickel-silicon coating developed by Athena to obtain smoothness and  optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eThe  Standard Bore cylinder kit developed by Athena guarantees the same  performance as the original spare parts, extreme reliability and optimal  smoothness as a result of the lightweight aluminum cylinder, the barrel  with nickel-silicon coating, and a piston designed to reduce further  friction.\u003c\/p\u003e \u003cp\u003eThe kit includes the high-quality aluminum cylinder with standard  bore, the complete piston with the piston pin and rings, and all the  necessary gaskets.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been  developed to withstand the highest temperatures, pressures and stresses  and have been validated by Athena technicians with severe bench and road  tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION!  All Athena products must be used in compliance with the specific  national regulations of the member state where it is being marketed or  sold. 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With precision-engineered components and construction that meets or exceeds OEM standards, it offers a dependable solution for riders seeking greater engine output.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases engine displacement to 250cc for enhanced power\u003c\/li\u003e\n\t\u003cli\u003ePrecision-engineered components ensure optimal fit and function\u003c\/li\u003e\n\t\u003cli\u003eManufactured to meet or exceed OEM quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eBore Size: 65.5mm\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda ATC200X (1986-1987): Cylinder OEM Part Number: 12100-VM0-000\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF230L 2008-2009: 12100-KFB-000\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF230F 2003-2019: 12100-KFB-000\u003c\/li\u003e\n\t\u003cli\u003ePart Number: 56-K233.KIT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda ATC 200X (1986-1987)\u003c\/li\u003e\n\t\u003cli\u003eHonda XL200 XR200\u003c\/li\u003e\n\t\u003cli\u003eHonda CB250\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF230F 2003-2019\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF230L 2008-2009\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392299598090,"sku":"56-K233.KIT","price":60.42,"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-K233.KIT.jpg?v=1750690947"},{"product_id":"cylinder-kit-96mm-kawasaki-kx-450-16-18-athena-ec250-022-std-bore-piston-not-included","title":"CYLINDER KIT 96MM KAWASAKI KX 450 16-18, ATHENA EC250-022 STD BORE, (Piston not included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 96 mm, 450 cc with Gaskets (no piston included) - EC250-022\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena  has been constantly investing in cylinder aftermarket replacement parts  for more than ten years, to improve their production and performance.\u003c\/p\u003e \u003cp\u003eAll  the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D  Department which has a strong internal know-how and cutting-edge tools  to design and test each piece. They are coated with motor-nicksil, a  nickel-silicon coating developed by Athena to obtain smoothness and  optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eThe  Standard Bore cylinder kit developed by Athena guarantees the same  performance as the original spare parts, extreme reliability and optimal  smoothness.\u003c\/p\u003e \u003cp\u003eThe Easy Cylinder kit includes the high-quality aluminum cylinder with standard bore and the gasket kit.\u003c\/p\u003e \u003cp\u003eAll  the components of the kit have been developed to withstand the highest  temperatures, pressures and stresses and have been validated by Athena  technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION!  All Athena products must be used in compliance with the specific  national regulations of the member state where it is being marketed or  sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNet Weight (Kg)  1.35\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKAWASAKI KX F 450 cc 2016\/2018\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003ePart No. 56-K237.096.CGA (oro2u.com)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392299663626,"sku":"56-k237.96.cga","price":349.31,"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-K237.96.CGA.jpg?v=1750690947"},{"product_id":"cylinder-kit-86-50mm-honda-07-18-trx420-rancher-12100-hp7-a00-12100-hp5-600","title":"CYLINDER KIT 86.50mm HONDA 07-18 TRX420 RANCHER 12100-HP7-A00 12100-HP5-600","description":"\u003cp\u003eA comprehensive kit designed to rebuild the top end of Honda TRX420 Rancher 420 models manufactured between 2007 and 2018. The kit includes a high-grade cast aluminum cylinder with a steel sleeve, a forged aluminum piston, piston rings, wristpin, circlips, head gasket, base gasket, head cover gasket, and a top end gasket kit.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSuper-high silicone content in the cast piston provides additional strength.\u003c\/li\u003e\n\t\u003cli\u003eMolybdenum Teflon coated piston skirts minimize resistance\/wear and provide extended life.\u003c\/li\u003e\n\t\u003cli\u003eAnodized piston dome offers superior heat resistance and longer lifespan.\u003c\/li\u003e\n\t\u003cli\u003ePerformance materials in the gaskets increase durability and reliability.\u003c\/li\u003e\n\t\u003cli\u003eAll components in the kit are bolt-on ready for hassle-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross reference numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 12100-HP7-A00, 12100-HP5-600\u003c\/li\u003e\n\t\u003cli\u003eBase Gasket: 12191-HP5-601\u003c\/li\u003e\n\t\u003cli\u003eHead Gasket: 12251-HP5-601,12251-HP7-A01\u003c\/li\u003e\n\t\u003cli\u003eHead Cover Gasket: 12315-HP5-601\u003c\/li\u003e\n\t\u003cli\u003ePiston: 13101-HP5-600,\u003c\/li\u003e\n\t\u003cli\u003ePiston Rings: 13010-HP5-600\u003c\/li\u003e\n\t\u003cli\u003eWristpin: 13111-HP5-600\u003c\/li\u003e\n\t\u003cli\u003eCirclips: 13112-MAT-000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1x Cylinder\u003c\/li\u003e\n\t\u003cli\u003e1x Piston Ring Kit(Piston,Piston Rings,Wristpin,Circlips(2))\u003c\/li\u003e\n\t\u003cli\u003e1x Head Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Base Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Head Cover Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHonda Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eTRX420 Rancher 420 2007-2018\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart No. 56-K286.865.CYL (oro2u.com)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392299794698,"sku":"56-K286.865.CYL","price":177.7,"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-K286.865.CYL.jpg?v=1750690947"},{"product_id":"cylinder-full-kit-53mm-yamaha-yz-85-19-25-athena-p400485100077-105cc-big-bore-piston-included","title":"CYLINDER FULL KIT 53mm YAMAHA YZ 85 19-25, ATHENA P400485100077 105CC BIG BORE, (Piston included)","description":"\u003cp\u003eATHENA Big Bore Cylinder Kit Ø 53 mm, 105,46 cc - P400485100077 (Includes Piston)\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e\n\n\u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e\n\n\u003cp\u003eAthena’s Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes the high-quality aluminum cylinder with increased bore and galvanic coating, barrel designed with 5 exhaust ports, cylinder head with interchangeable central dome, flat-top cast piston with two rings, special Ergal valve with nickel treatment, and all the necessary gaskets.\u003c\/p\u003e\n\n\u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e\n\n\u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Diameter (mm) 53.00\u003c\/li\u003e\n\t\u003cli\u003eBore Gain (mm) + 5.5\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio 14.0:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 106\u003c\/li\u003e\n\t\u003cli\u003eNet Weight (Kg) 2.15\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA YZ 85 cc 2019\/2025\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392299893002,"sku":"56-K238.53.CKA","price":899.4,"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-K238.53.CKA.jpg?v=1750690948"},{"product_id":"cylinder-full-kit-77mm-yamaha-yz-250f-19-24-athena-p400485100072-std-bore-piston-included","title":"CYLINDER FULL KIT 77mm YAMAHA YZ 250F 19-24, ATHENA P400485100072 STD BORE, (Piston included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 77 mm, 250 cc - P400485100072 (Includes Piston)\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003c\/p\u003e\n\n\u003cp\u003eAll the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e\n\n\u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness as a result of the lightweight aluminum cylinder, the barrel with nickel-silicon coating, and a piston designed to reduce further friction.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes the high-quality aluminum cylinder with standard bore, the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e\n\n\u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e\n\n\u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e\n\n\u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Diameter (mm) 77.00\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\u003eNet Weight (Kg) 1.45\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePartner Cross Reference code and Optional Parts\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eS4F07700028A Forged Piston 76,96\u003c\/li\u003e\n\t\u003cli\u003eS4F07700028B Forged Piston 76,97\u003c\/li\u003e\n\t\u003cli\u003eP400485160191 Gaskets Kit For Athena Cylinder Kit\u003c\/li\u003e\n\t\u003cli\u003eS41316169 Rings\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\/2024\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA YZ F 250 cc 2019\/2024\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA YZ FX 250 cc 2020\/2024\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePart No. 56-K250.77.CKA (oro2u.com)\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392299925770,"sku":"56-K250.77.CKA","price":540.12,"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-K250.77.CKA.jpg?v=1750690949"},{"product_id":"top-end-cylinder-kit-ktm-sx85-13-17-47-00mm-47130038000-00050000205-0770540020","title":"TOP END CYLINDER KIT KTM SX85 13-17 47.00mm 47130038000 00050000205 0770540020","description":"\u003cp\u003e\u003cstrong\u003eTop End Cylinder Kit\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eFits KTM SX85 2013-2017 and Husqvarna TC85 2014-2017\u003c\/li\u003e\n\t\u003cli\u003eBore Size: 47mm\u003cbr\u003e\n\t \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder Assembly OEM ID: 47130038000\u003c\/li\u003e\n\t\u003cli\u003eCylinder Block OEM ID: 47130038000\u003c\/li\u003e\n\t\u003cli\u003eNeedle Roller Bearings OEM ID: 47030034000\u003c\/li\u003e\n\t\u003cli\u003ePiston CPL. 47MM: 47030007100 \/ 47230007100\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring 85 SX: 47030030000\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin 85 SX: 47030033000 \/ 47230033000\u003c\/li\u003e\n\t\u003cli\u003eWire Lock Ring 85 SX: 47030074000\u003c\/li\u003e\n\t\u003cli\u003eO-Ring - Small OEM ID: 0770540020\u003c\/li\u003e\n\t\u003cli\u003eO-Ring - Large OEM ID: 0770800021\u003c\/li\u003e\n\t\u003cli\u003eLower Cylinder Paper Pads OEM ID: 47030035000\u003cbr\u003e\n\t \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality.\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement.\u003c\/li\u003e\n\t\u003cli\u003eBest value for money.\u003c\/li\u003e\n\t\u003cli\u003eORO2U products are a high-quality replacement part and carry our guarantee of your satisfaction.\u003c\/li\u003e\n\t\u003cli\u003ePlease check the image before ordering to avoid mistakes.\u003cbr\u003e\n\t \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart No.:\u003c\/strong\u003e 56-K290.47.CLK\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eAvailable at oro2u.com\u003cbr\u003e\n\t \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross Reference Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e47130038000\u003c\/li\u003e\n\t\u003cli\u003e47130038000\u003c\/li\u003e\n\t\u003cli\u003e47130038000\u003c\/li\u003e\n\t\u003cli\u003e47130038000\u003c\/li\u003e\n\t\u003cli\u003e00050000205\u003c\/li\u003e\n\t\u003cli\u003e0770540020\u003c\/li\u003e\n\t\u003cli\u003e00050000205\u003c\/li\u003e\n\t\u003cli\u003e00050000204\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392299860234,"sku":"56-K2901.47.CLK","price":305.06,"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-K2901.47.CLK.jpg?v=1750690948"},{"product_id":"cylinder-kit-47-50mm-yamaha-yz85-2002-2014-yz-85-5pa-11311-20-00","title":"CYLINDER KIT 47.50mm YAMAHA YZ85 2002 - 2014 YZ 85 5PA-11311-20-00","description":"\u003cp\u003eCylinder Piston Rings Top End Kit – Standard Bore 47.50mm\u003cbr\u003e\nYamaha YZ85 (2002-2014)\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eUses stock mounting locations\u003c\/li\u003e\n\t\u003cli\u003eEngineered to handle increased power loads\u003c\/li\u003e\n\t\u003cli\u003eExcellent value for money\u003c\/li\u003e\n\t\u003cli\u003eORO products are high-quality replacement parts, guaranteed to provide satisfaction\u003c\/li\u003e\n\t\u003cli\u003ePlease check the image before ordering to ensure compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1 x Cylinder\u003c\/li\u003e\n\t\u003cli\u003e1 x Piston\u003c\/li\u003e\n\t\u003cli\u003e1 x Piston Ring\u003c\/li\u003e\n\t\u003cli\u003e1 x Wristpin\u003c\/li\u003e\n\t\u003cli\u003e2 x Circlips\u003c\/li\u003e\n\t\u003cli\u003e1 x Needle Bearing\u003c\/li\u003e\n\t\u003cli\u003e1 x Base Gasket\u003c\/li\u003e\n\t\u003cli\u003e1 x Head O-Ring #1\u003c\/li\u003e\n\t\u003cli\u003e1 x Head O-Ring #2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e5PA-11311-20-00\u003c\/li\u003e\n\t\u003cli\u003e93210-84724-00\u003c\/li\u003e\n\t\u003cli\u003e93210-56459-00\u003c\/li\u003e\n\t\u003cli\u003e4ES-11351-00-00\u003c\/li\u003e\n\t\u003cli\u003e5PA-11631-00-C0\u003c\/li\u003e\n\t\u003cli\u003e5PA-11631-00-B0\u003c\/li\u003e\n\t\u003cli\u003e4ES-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003e93450-16115-00\u003c\/li\u003e\n\t\u003cli\u003e5PA-11311-20-00\u003c\/li\u003e\n\t\u003cli\u003e93210-56459-00\u003c\/li\u003e\n\t\u003cli\u003e93210-84724-00\u003c\/li\u003e\n\t\u003cli\u003e4ES-11351-00-00\u003c\/li\u003e\n\t\u003cli\u003e4ES-11631-01-A0\u003c\/li\u003e\n\t\u003cli\u003e4ES-11633-00-00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392299958538,"sku":"56-K235.CYL.KIT","price":145.8,"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-K235.CYL.KIT.jpg?v=1750690949"},{"product_id":"cylinder-full-kit-47-5mm-yamaha-yz-85-19-25-athena-p400485100076-std-bore-piston-included","title":"CYLINDER FULL KIT 47.5mm YAMAHA YZ 85 19-25, ATHENA P400485100076 STD BORE, (Piston included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 47,5 mm, 85 cc - P400485100076 (Includes Piston)\u003c\/p\u003e\n\n\u003cp\u003eDescription\u003c\/p\u003e\n\n\u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003c\/p\u003e\n\n\u003cp\u003eAll the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e\n\n\u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness as a result of the lightweight aluminum cylinder, the barrel with nickel-silicon coating, and a piston designed to reduce further friction.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes the high-quality aluminum cylinder with standard bore, the cylinder head with central dome , the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e\n\n\u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e\n\n\u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e\n\n\u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e\n\n\u003cp\u003eTechnical features\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Diameter (mm) 47.50\u003c\/li\u003e\n\t\u003cli\u003eDisplacement (cc) 85\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003ePartner Cross Reference code and Optional Parts\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003eP400485160076 Gasket Kit \u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cspan style=\"color:#000000;\" font-family:arial\u003e \u003c\/span\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003eS4C04750005A Cast Piston Ø 47,45 mm\u003c\/span\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003e  \u003c\/span\u003e\n\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cspan style=\"color:#000000;\" font-family:arial\u003eS4C04750005B Cast Piston Ø 47,46 mm\u003c\/span\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003e  \u003c\/span\u003e\n\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003eS410485308035 Cylinder Head\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"color:#000000;\" font-family:arial\u003eS410485308032 Central Dome\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA YZ 85 cc 2019\/2025\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392300024074,"sku":"56-K238.475.CKA","price":760.79,"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-K238.475.CKA.jpg?v=1750690949"},{"product_id":"cylinder-kit-40-00mm-polaris-50-scrambler-sportsman-predator","title":"CYLINDER KIT 40.00mm POLARIS 50 SCRAMBLER SPORTSMAN PREDATOR","description":"\u003cp\u003eThe 40.00mm cylinder kit is compatible with Polaris 50cc two-stroke models, including the Scrambler 50, Sportsman 50, and Predator 50. These models utilize a 40mm bore, 10mm wrist pin, and 50mm stud spacing. However, Polaris 90cc models—such as the Scrambler 90, Sportsman 90, and Predator 90—require a larger 52mm bore cylinder kit. Therefore, this 40mm kit is not suitable for 90cc models.?\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eComplete kit includes cylinder, piston, rings, gaskets, and cylinder head\u003c\/li\u003e\n\t\u003cli\u003eDesigned for 50cc two-stroke engines\u003c\/li\u003e\n\t\u003cli\u003e40mm bore diameter\u003c\/li\u003e\n\t\u003cli\u003e10mm wrist pin size\u003c\/li\u003e\n\t\u003cli\u003e50mm stud spacing?\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eType: 50cc 2-stroke cylinder kit\u003c\/li\u003e\n\t\u003cli\u003eBore Size: 40mm\u003c\/li\u003e\n\t\u003cli\u003eWrist Pin Size: 10mm\u003c\/li\u003e\n\t\u003cli\u003eStud Spacing: 50mm?\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 0450007\u003c\/li\u003e\n\t\u003cli\u003eGasket Kit: 0455372, 0455373\u003c\/li\u003e\n\t\u003cli\u003ePiston Kit: 0450802, 0450704, 0450651\u003c\/li\u003e\n\t\u003cli\u003eCylinder Stud Kit: 0450011, 0450012\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePolaris Scrambler 50 (2001–2003)\u003c\/li\u003e\n\t\u003cli\u003ePolaris Sportsman 50 (2001–2003)\u003c\/li\u003e\n\t\u003cli\u003ePolaris Predator 50 (2004–2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor Polaris 90cc models, a 52mm bore cylinder kit is required. Ensure compatibility by verifying the bore size and engine specifications before purchasing.\u003c\/p\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392300122378,"sku":"56-K239.40.CK","price":45.4,"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-K239.40.CK.jpg?v=1750690949"},{"product_id":"cylinder-kit-78mm-kawasaki-kx-250-2020-athena-ec250-026-std-bore-piston-not-included","title":"CYLINDER KIT 78MM KAWASAKI KX 250 2020, ATHENA EC250-026 STD BORE, (Piston not included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 78, 250 cc with Gaskets (no piston included) - EC250-026\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003c\/p\u003e \u003cp\u003eAll the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eThe Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness.\u003c\/p\u003e \u003cp\u003eThe Easy Cylinder kit includes the high-quality aluminum cylinder with standard bore and the gasket kit.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNet Weight (Kg)  1.05\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":51392300220682,"sku":"56-K240.78.CGA","price":366.69,"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-K240.78.CGA.jpg?v=1750690950"},{"product_id":"cylinder-full-kit-96mm-kawasaki-kx-450-16-18-athena-p400250100022-std-bore-piston-included","title":"CYLINDER FULL KIT 96MM KAWASAKI KX 450 16-18, ATHENA P400250100022 STD BORE, (Piston included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 96 mm, 450 cc - P400250100022 (Includes Piston)\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena  has been constantly investing in cylinder aftermarket replacement parts  for more than ten years, to improve their production and performance.\u003c\/p\u003e \u003cp\u003eAll  the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D  Department which has a strong internal know-how and cutting-edge tools  to design and test each piece. They are coated with motor-nicksil, a  nickel-silicon coating developed by Athena to obtain smoothness and  optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eThe  Standard Bore cylinder kit developed by Athena guarantees the same  performance as the original spare parts, extreme reliability and optimal  smoothness as a result of the lightweight aluminum cylinder, the barrel  with nickel-silicon coating, and a piston designed to reduce further  friction.\u003c\/p\u003e \u003cp\u003eThe kit includes the high-quality aluminum cylinder with standard  bore, the complete piston with the piston pin and rings, and all the  necessary gaskets.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been  developed to withstand the highest temperatures, pressures and stresses  and have been validated by Athena technicians with severe bench and road  tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION!  All Athena products must be used in compliance with the specific  national regulations of the member state where it is being marketed or  sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  96.00\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  450\u003c\/li\u003e \u003cli\u003eNet Weight (Kg)  1.94\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKAWASAKI KX F 450 cc 2016\/2018 \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003ePart No. 56-K237.096.CKA (oro2u.com)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392300253450,"sku":"56-k237.96.cka","price":520.86,"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-K237.96.CKA.jpg?v=1750690950"},{"product_id":"top-end-cylinder-kit-66-80mm-yamaha-dt-230-mt-tse-250","title":"Top End Cylinder Kit 66.80mm Yamaha DT 230 MT TSE 250","description":"\u003cp\u003eTop-end cylinder kit designed for Yamaha DT 230 and TSE 250 models. 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This kit includes a cylinder, piston, rings, wrist pin, and top-end gaskets, providing a direct OEM replacement that meets or exceeds original quality standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards\u003c\/li\u003e\n\t\u003cli\u003eIncludes necessary components for a complete cylinder rebuild\u003c\/li\u003e\n\t\u003cli\u003eDesigned for durability and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePart Number: 56-K280\u003c\/li\u003e\n\t\u003cli\u003eCylinder Bore: 56.5mm\u003c\/li\u003e\n\t\u003cli\u003eCylinder Height: 96.5mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Wrist Pin Diameter: 15mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded Items\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003ePiston rings\u003c\/li\u003e\n\t\u003cli\u003eWrist pin\u003c\/li\u003e\n\t\u003cli\u003eTop-end gasket set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1971-1973 Honda SL 125\u003c\/li\u003e\n\t\u003cli\u003e1973-1985 Honda CB 125 S\u003c\/li\u003e\n\t\u003cli\u003e1974-1978 Honda XL 125\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Factory Image Racing","offers":[{"title":"Default Title","offer_id":51392300515594,"sku":"56-K280","price":64.31,"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-K280.jpg?v=1750690950"},{"product_id":"cylinder-full-kit-65mm-yamaha-derbi-125-athena-p400485100010-170cc-big-bore-piston-included","title":"CYLINDER FULL KIT 65MM YAMAHA\/DERBI 125, ATHENA P400485100010 170CC BIG BORE, (Piston included)","description":"\u003cp\u003eATHENA Big Bore Cylinder Kit Ø 65 mm, 170 cc - P400485100010 (Includes Piston)\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena  has been constantly investing in cylinder aftermarket replacement parts  for more than ten years, to improve their production and performance.  All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D  Department which has a strong internal know-how and cutting-edge tools  to design and test each piece. They are coated with motor-nicksil, a  nickel-silicon coating developed by Athena to obtain smoothness and  optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eAthena’s  Big Bore Cylinder Kits guarantees an increase in performance that can  be observed along the power curve, keeping the reliability at the same  level of the original components.\u003c\/p\u003e \u003cp\u003eThe kit includes the  high-quality aluminum cylinder with increased bore and galvanic coating,  barrel designed with 5 exhaust ports, cylinder head with  interchangeable central dome, flat-top cast piston with two rings,  special Ergal valve with nickel treatment, and all the necessary  gaskets.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to  withstand the highest temperatures, pressures and stresses and have been  validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION!  All Athena products must be used in compliance with the specific  national regulations of the member state where it is being marketed or  sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  65.00\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  170\u003c\/li\u003e \u003cli\u003eNet Weight (Kg)  3.11\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDERBI GPR 125 cc\u003c\/li\u003e \u003cli\u003eYAMAHA DT R\/RE\/X 125 cc\u003c\/li\u003e \u003cli\u003eYAMAHA TDR 125 cc\u003c\/li\u003e \u003cli\u003eYAMAHA TZR R \/ RR 125 cc \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392300581130,"sku":"56-K282.65.CKA","price":695.21,"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-K282.65.CKA.jpg?v=1750690951"},{"product_id":"cylinder-kit-yamaha-xv250-twing-3bg-11310-00-00","title":"CYLINDER KIT YAMAHA XV250 TWING 3BG-11310-00-00","description":"\u003cp\u003e\u003cstrong\u003eDouble Cylinder AssemblySet 49mm\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha Virago 250 XV250 V-star Route 66 Motoblock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eAll parts needed for engine rebuild are included in each set.\u003c\/li\u003e\n\t\u003cli\u003eNo seals are included with this set.\u003c\/li\u003e\n\t\u003cli\u003eUnmatched reliability and performance from high-tech materials.\u003c\/li\u003e\n\t\u003cli\u003eDesigned for durability and manufactured to exacting standards, allowing the engine to be rebuilt with total confidence.\u003c\/li\u003e\n\t\u003cli\u003eTop-quality gaskets made from high-tech materials and O-rings.\u003c\/li\u003e\n\t\u003cli\u003eManufactured to exacting standards ensuring superior quality.\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards.\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement.\u003c\/li\u003e\n\t\u003cli\u003ePlease review the image before ordering to avoid errors.\u003c\/li\u003e\n\t\u003cli\u003eBest value for money.\u003c\/li\u003e\n\t\u003cli\u003eORO products are high-quality replacement parts and come with our guarantee of your satisfaction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross Reference Numbers Only:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eGasket, Cylinder: 2UJ-11351-00-00, 4DN-11351-01-00\u003c\/li\u003e\n\t\u003cli\u003eGasket, Cylinder Head: 2UJ-11181-01-00\u003c\/li\u003e\n\t\u003cli\u003eCylinder: 3BG-11310-00-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Std): 2UJ-11631-00-A0\u003c\/li\u003e\n\t\u003cli\u003ePin, Piston: 22K-11633-01-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-14088-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Std): 50M-11610-00-00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392300646666,"sku":"56-K284.KIT","price":218.32,"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-K284.KIT.jpg?v=1750690951"},{"product_id":"cylinder-kit-56-4mm-yamaha-tzr125-lc125-re125-r125-rr125","title":"CYLINDER KIT 56.4mm YAMAHA TZR125 LC125 RE125 R125 RR125","description":"\u003cp\u003e56.4mm cylinder kit designed for Yamaha and Derbi 125cc models. This kit includes a high-quality forged aluminum piston and meets or exceeds OEM quality standards. It serves as a direct replacement and ensures durability and reliable performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards\u003c\/li\u003e\n\t\u003cli\u003eForged aluminum piston for strength and longevity\u003c\/li\u003e\n\t\u003cli\u003eChrome-plated piston rings for enhanced durability\u003c\/li\u003e\n\t\u003cli\u003eEasy to install; professional installation recommended if unsure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 56.4mm\u003c\/li\u003e\n\t\u003cli\u003eStroke: 50.0mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 124cc\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 16mm x 47mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Height: 64.4mm\u003c\/li\u003e\n\t\u003cli\u003eNumber of Piston Rings: 2\u003c\/li\u003e\n\t\u003cli\u003eUpper Piston Ring Thickness: 1mm\u003c\/li\u003e\n\t\u003cli\u003eSecond Piston Ring Thickness: 1mm\u003c\/li\u003e\n\t\u003cli\u003eOutlet: Oval\u003c\/li\u003e\n\t\u003cli\u003eCylinder Type: 3BN00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplacement Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 3BN-11311-00\u003c\/li\u003e\n\t\u003cli\u003ePiston (Standard): 2YK-11631-04-35\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 137-11633-00\u003c\/li\u003e\n\t\u003cli\u003ePiston Ring Set (Standard): 3XC-11610-00\u003c\/li\u003e\n\t\u003cli\u003eCirclip: 93450-17129\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1987-1992 Yamaha TZR 125\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT R\/RE\/X 125\u003c\/li\u003e\n\t\u003cli\u003eYamaha TDR125 3BN\u003c\/li\u003e\n\t\u003cli\u003eYamaha TZR R \/ RR 125\u003c\/li\u003e\n\t\u003cli\u003eDerbi GPR 125\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392300744970,"sku":"56-K282.56.CK1","price":221.68,"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-K282.56.CK1.jpg?v=1750690952"},{"product_id":"cylinder-kit-honda-vision-44mm-italkit-se0040-120303302","title":"CYLINDER KIT HONDA VISION 44mm, ITALKIT SE0040, 120303302","description":"\u003cp\u003ePart No.   56-K300.44.CKI    (oro2u.com)\u003cbr\u003e CYLINDER KIT HONDA VISION 44mm Big Bore\u003cbr\u003e Cross reference numbers ONLY. 120303302, ITALKIT SE0040,\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Italkit","offers":[{"title":"Default Title","offer_id":51392300712202,"sku":"56-K300.44.CKI","price":75.85,"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-K300.44.CKI.jpg?v=1750690952"},{"product_id":"cylinder-kit-92-00mm-2005-2011-honda-trx500-fourtrax-12100-hp0-a00","title":"CYLINDER KIT 92.00mm 2005-2011 HONDA TRX500 FOURTRAX 12100-HP0-A00","description":"\u003cp\u003eThis 92.00mm cylinder kit is a high-quality replacement for Honda TRX500 Fourtrax Foreman models. Designed to meet OEM specifications, the kit includes everything needed for a complete top-end rebuild. It provides reliable performance, durability, and ease of installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncludes cylinder, piston, rings, pin, clips, and top-end gasket kit.\u003c\/li\u003e\n\t\u003cli\u003eCast piston with high silicone content for added strength.\u003c\/li\u003e\n\t\u003cli\u003ePiston skirts are Molybdenum Teflon coated to reduce wear.\u003c\/li\u003e\n\t\u003cli\u003eAnodized piston dome for superior heat resistance.\u003c\/li\u003e\n\t\u003cli\u003eGaskets made from performance-grade materials for reliability.\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement with no modifications required.\u003c\/li\u003e\n\t\u003cli\u003eDesigned with cast iron sleeves for improved wear resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePiston Material: Forged Aluminum\u003c\/li\u003e\n\t\u003cli\u003eActual Displacement: 475cc\u003c\/li\u003e\n\t\u003cli\u003eBore Size: STD 92 mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Diameter: 91.96 mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Height: 59.23 mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Diameter: 20 mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin Height: 62 mm\u003c\/li\u003e\n\t\u003cli\u003eSleeve: Cast Iron, Reboreable liner\u003c\/li\u003e\n\t\u003cli\u003eCylinder Material: JIS AC4B-T6 Aluminum, Hardness HR65up\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 12100-HP0-A00\u003c\/li\u003e\n\t\u003cli\u003eCylinder Base Gasket: 12191-HP0-A00\u003c\/li\u003e\n\t\u003cli\u003eCylinder Head Gasket: 12251-HP0-A00\u003c\/li\u003e\n\t\u003cli\u003eCylinder Head Cover Gasket: 12315-HP0-A00\u003c\/li\u003e\n\t\u003cli\u003eRing Set: 13010-HP0-A01\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 13111-HN2-000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1x Cylinder\u003c\/li\u003e\n\t\u003cli\u003e1x Piston(STD)\u003c\/li\u003e\n\t\u003cli\u003e1x Piston Ring Set\u003c\/li\u003e\n\t\u003cli\u003e1x Wristpin\u003c\/li\u003e\n\t\u003cli\u003e1x Circlip(2)\u003c\/li\u003e\n\t\u003cli\u003e1x Cylinder Base Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Cylinder Head Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Cylinder Head Cover Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Honda ATV Models:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e2009 TRX500FM A - FOURTRAX FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FPM A- FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX500FPE A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FM 2A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2005 TRX500TM A - FOURTRAX FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2005 TRX500FM A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FPM A - FOREMAN P\/S Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FPE A - FOREMAN ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FPE 2A - FOREMAN ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX500FE A - FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FM 2A - FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FM A - FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FM 2A - FOURTRAX FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FE 2A - FOURTRAX FOREMAN ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FE A - FOURTRAX FOREMAN ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX500FM 2A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX500FPE 2A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX500FM A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FPM 2A - FOREMAN Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FE A - FOREMAN ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2011 TRX500FE 2A - FOREMAN ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2005 TRX500FE A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FPM 2A - FOREMAN P\/S Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FPE 2A - FOREMAN P\/S ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2009 TRX500FPE A - FOREMAN P\/S ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FPM A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FPM 2A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FE 2A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FE A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2007 TRX500FE 2A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2006 TRX500FM A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FPE 2A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FM A - FOURTRAX FOREMAN 4X4 Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2008 TRX500FPE A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2006 TRX500FE A - FOURTRAX FOREMAN 4X4 ES Cylinder\u003c\/li\u003e\n\t\u003cli\u003e2006 TRX500TM A - FOURTRAX FOREMAN Cylinder\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392300777738,"sku":"56-K285.92.CYL","price":425.6,"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-K285.92.CYL.jpg?v=1750690952"},{"product_id":"cylinder-kit-yamaha-44mm-ct50s-target-bws-50cc-120603148-italkit-sa0042","title":"CYLINDER KIT YAMAHA 44mm, CT50S \/ TARGET \/ BWS 50cc, 120603148, ITALKIT SA0042","description":"\u003cp\u003ePart No.   56-K303.44.CKI  (oro2u.com)\u003cbr\u003e CYLINDER KIT YAMAHA CT50S \/ TARGET \/ BWS 44mm BIG Bore\u003cbr\u003e Cross reference numbers ONLY. 120603148, ITALKIT SA0042,\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Italkit","offers":[{"title":"Default Title","offer_id":51392300876042,"sku":"56-K303.44.CKI","price":79.56,"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-K303.44.CKI.jpg?v=1750690953"},{"product_id":"cylinder-cranshaft-kit-yamaha-dt50-tzr-50-am6-minarelli-2-stroke","title":"CYLINDER \u0026 CRANSHAFT KIT YAMAHA DT50 TZR 50 AM6 MINARELLI 2 STROKE","description":"\u003cp\u003eThis 90cc 49mm big bore cylinder kit with racing crankshaft is designed as a complete top-end rebuild solution for Yamaha and AM6 Minarelli 2-stroke engines. It includes all required components for installation, such as a high-grade cast aluminium cylinder, forged aluminium piston, and a full top-end gasket kit. Engineered for durability and performance, this kit is suitable for riders seeking increased displacement and enhanced engine output on compatible Yamaha 50cc models.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-grade cast aluminium cylinder\u003c\/li\u003e\n\t\u003cli\u003eForged aluminium piston with super-high silicone content for added strength\u003c\/li\u003e\n\t\u003cli\u003eMolybdenum Teflon-coated piston skirts reduce friction and wear\u003c\/li\u003e\n\t\u003cli\u003eAnodized piston dome for improved heat resistance and longevity\u003c\/li\u003e\n\t\u003cli\u003ePerformance gasket materials for increased durability and reliability\u003c\/li\u003e\n\t\u003cli\u003eIncludes piston, rings, pin, clips, and top-end gasket kit (as pictured)\u003c\/li\u003e\n\t\u003cli\u003eAftermarket replacement, 100% brand new\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 49mm\u003c\/li\u003e\n\t\u003cli\u003eCylinder Material: Cast Aluminium\u003c\/li\u003e\n\t\u003cli\u003ePiston Material: Forged Aluminium\u003c\/li\u003e\n\t\u003cli\u003eQuantity: 1 set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha DT50 Enduro LC 2T (1997–2002, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT50 SM LC 2T (2002, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT50R Enduro LC 2T (2003–2006, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT50R Enduro LC 2T (2007–2011, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT50X SM LC 2T (2003–2006, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha DT50X SM LC 2T (2007–2011, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha TZR50 LC 2T (1998–1999, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha TZR50 LC 2T (2000–2002, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha TZR50R LC 2T (2003–2006, AM6)\u003c\/li\u003e\n\t\u003cli\u003eYamaha TZR50R LC 2T (2007–2012, AM6)\u003c\/li\u003e\n\t\u003cli\u003eAM6 Minarelli 2-stroke engines with Yamaha configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392300941578,"sku":"56-K289.49.KIT","price":277.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/56-K289_49_KIT.png?v=1759592818"},{"product_id":"cylinder-kit-86-50mm-2007-2018-honda-trx420-rancher-12100-hp7-a00-12100-hp5-600","title":"CYLINDER KIT 86.50mm 2007-2018 HONDA TRX420 RANCHER 12100-HP7-A00 12100-HP5-600","description":"\u003cp\u003eThis cylinder kit is a complete top-end rebuild solution for Honda TRX420 Rancher 420 models manufactured between 2007 and 2018. It includes a cast aluminium cylinder with a steel sleeve and all necessary components such as a forged piston, piston rings, gaskets, and hardware required for a reliable installation. Each part is engineered for durability, heat resistance, and performance, ensuring a precise fit and long service life.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-grade cast aluminium cylinder with steel sleeve\u003c\/li\u003e\n\t\u003cli\u003eSuper-high silicone content piston for increased strength\u003c\/li\u003e\n\t\u003cli\u003eMolybdenum Teflon-coated piston skirts reduce friction and wear\u003c\/li\u003e\n\t\u003cli\u003eAnodized piston dome enhances heat resistance and longevity\u003c\/li\u003e\n\t\u003cli\u003eGaskets made from performance-grade materials for durability\u003c\/li\u003e\n\t\u003cli\u003eBolt-on ready components for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1x Cylinder\u003c\/li\u003e\n\t\u003cli\u003e1x Piston Ring Kit (Piston, Piston Rings, Wristpin, Circlips (2))\u003c\/li\u003e\n\t\u003cli\u003e1x Head Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Base Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Head Cover Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 12100-HP7-A00, 12100-HP5-600\u003c\/li\u003e\n\t\u003cli\u003eBase Gasket: 12191-HP5-601\u003c\/li\u003e\n\t\u003cli\u003eHead Gasket: 12251-HP5-601, 12251-HP7-A01\u003c\/li\u003e\n\t\u003cli\u003eHead Cover Gasket: 12315-HP5-601\u003c\/li\u003e\n\t\u003cli\u003ePiston: 13101-HP5-600\u003c\/li\u003e\n\t\u003cli\u003ePiston Rings: 13010-HP5-600\u003c\/li\u003e\n\t\u003cli\u003eWristpin: 13111-HP5-600\u003c\/li\u003e\n\t\u003cli\u003eCirclips: 13112-MAT-000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eHonda TRX420 Rancher 420 (2007–2018)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392300974346,"sku":"56-K286.865.CYL2","price":246.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/56-K286_865_CYL2.png?v=1759592822"},{"product_id":"big-bore-cylinder-full-kit-102mm-athena-p400485100092-490cc-big-bore-yamaha-yz-450f-20-22","title":"BIG BORE CYLINDER FULL KIT 102mm, ATHENA P400485100092 490cc BIG BORE, YAMAHA YZ 450F 20-22","description":"\u003cp\u003eATHENA Big Bore Cylinder Kit Ø 102 mm, 496 cc - P400485100092 (Includes Piston)\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena  has been constantly investing in cylinder aftermarket replacement parts  for more than ten years, to improve their production and performance.  All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D  Department which has a strong internal know-how and cutting-edge tools  to design and test each piece. They are coated with motor-nicksil, a  nickel-silicon coating developed by Athena to obtain smoothness and  optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eAthena’s  Big Bore Cylinder Kits guarantees an increase in performance that can  be observed along the power curve, keeping the reliability at the same  level of the original components.\u003c\/p\u003e \u003cp\u003eThe kit includes the  high-quality aluminum cylinder with increased bore, the complete piston  with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to withstand the  highest temperatures, pressures and stresses and have been validated by  Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION!  All Athena products must be used in compliance with the specific  national regulations of the member state where it is being marketed or  sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm) 102.00\u003c\/li\u003e \u003cli\u003eCompression Ratio  13.4:1\u003c\/li\u003e \u003cli\u003eDisplacement (cc) 496\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYAMAHA YZ F 450 cc 2020\/2022\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392301039882,"sku":"56-K251_102.KIT","price":705.21,"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-K251_102.KIT.jpg?v=1750690953"},{"product_id":"cylinder-kit-polaris-rzr-900-std-93mm-bronco-at-09484k-ca-50006k","title":"CYLINDER KIT POLARIS RZR 900 STD 93mm, BRONCO AT-09484K CA-50006K","description":"\u003cp\u003eCYLINDER KIT POLARIS RZR 900 STD 93mm\u003c\/p\u003e \u003cul\u003e \u003c\/ul\u003e \u003cul\u003e \u003c\/ul\u003e \u003cul\u003e \u003cli\u003e900 ACE EPS XC  2017-19\u003c\/li\u003e \u003cli\u003eRANGER 900 XP 2017-19\u003c\/li\u003e \u003cli\u003eRANGER 900 XP CREW 2017-19\u003c\/li\u003e \u003cli\u003eRZR 4 900  2017-18\u003c\/li\u003e \u003cli\u003eRZR 900 50\/55\/60 INCH 2017-19\u003c\/li\u003e \u003c\/ul\u003e \u003cul\u003e \u003c\/ul\u003e \u003cul\u003e \u003c\/ul\u003e \u003cp\u003eINCLUDES-\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAT-09484 ALUMINUM CYLINDER, TWIN\u003c\/li\u003e \u003cli\u003eNA-50091-NIT(X2) NAMURA PISTON KIT\u003c\/li\u003e \u003cli\u003eNA-50092T-NIT NAMURA TOP END GASKET SET\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003e  \u003c\/p\u003e","brand":"Bronco","offers":[{"title":"Default Title","offer_id":51392301072650,"sku":"56-k311.93.ck","price":626.47,"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-K311.93.CK.jpg?v=1750690954"},{"product_id":"cylinder-top-end-kit-yamaha-1989-2004-bear-tracker-250-oem-spec-replacement","title":"CYLINDER TOP END KIT YAMAHA 1989-2004 BEAR TRACKER 250 OEM SPEC REPLACEMENT","description":"\u003cp\u003eThis Cylinder Top End Kit is a high-quality aftermarket replacement designed for Yamaha Bear Tracker 250, Timberwolf 250, and Moto-4 250 models. It includes all necessary components to rebuild your engine's top end, ensuring restored performance and reliability. The kit features a high-grade cast aluminium cylinder and a forged aluminium piston with a molybdenum Teflon-coated skirt for reduced friction and extended lifespan. The piston dome is anodized for superior heat resistance, and the included gaskets are made from performance materials to enhance durability. Professional installation is recommended to ensure optimal performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-grade cast aluminium cylinder for durability.\u003c\/li\u003e\n\t\u003cli\u003eForged aluminium piston with molybdenum Teflon-coated skirt to minimize resistance and wear.\u003c\/li\u003e\n\t\u003cli\u003eAnodized piston dome for superior heat resistance and longer lifespan.\u003c\/li\u003e\n\t\u003cli\u003ePerformance gaskets for increased durability and reliability.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes piston, rings, pin, clips, and top-end gasket set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder Bore and Stroke: 71.00mm x 58.00mm.\u003c\/li\u003e\n\t\u003cli\u003eCylinder Material: High-grade cast aluminium.\u003c\/li\u003e\n\t\u003cli\u003ePiston Material: Forged aluminium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYamaha Bear Tracker 250 1999-2004\u003c\/li\u003e\n\t\u003cli\u003eYamaha Timberwolf 250 1992-2000\u003c\/li\u003e\n\t\u003cli\u003eYamaha Moto-4 250 1989-1991\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e4BD-11310-01-00\u003c\/li\u003e\n\t\u003cli\u003e5VC-11351-01-00\u003c\/li\u003e\n\t\u003cli\u003e4BD-11631-00-Y0\u003c\/li\u003e\n\t\u003cli\u003e4BD-11610-00-00\u003c\/li\u003e\n\t\u003cli\u003e29U-11633-00-00\u003c\/li\u003e\n\t\u003cli\u003e93450-17044-00\u003c\/li\u003e\n\t\u003cli\u003eDR7-EA000-00-00\u003c\/li\u003e\n\t\u003cli\u003e3GH-11181-00-00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392301236490,"sku":"56-K288.71.KIT","price":157.84,"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-K288.71.KIT.jpg?v=1750690954"},{"product_id":"cylinder-full-kit-57mm-honda-mb-mt-mtx-80-athena-009500-129cc-big-bore-piston-included","title":"CYLINDER FULL KIT 57MM HONDA MB\/MT\/MTX 80, ATHENA 009500 129CC BIG BORE, (Piston included)","description":"\u003cp\u003eATHENA Big Bore Cylinder Kit Ø 57 mm, 129 cc - 009500 (Includes Piston)\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena  has been constantly investing in cylinder aftermarket replacement parts  for more than ten years, to improve their production and performance.  All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D  Department which has a strong internal know-how and cutting-edge tools  to design and test each piece. They are coated with motor-nicksil, a  nickel-silicon coating developed by Athena to obtain smoothness and  optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eAthena’s  Big Bore Cylinder Kits guarantees an increase in performance that can  be observed along the power curve, keeping the reliability at the same  level of the original components.\u003c\/p\u003e \u003cp\u003eThe kit includes the  high-quality aluminum cylinder with increased bore, the complete piston  with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to withstand the  highest temperatures, pressures and stresses and have been validated by  Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION!  All Athena products must be used in compliance with the specific  national regulations of the member state where it is being marketed or  sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore Diameter (mm)  57.00\u003c\/li\u003e \u003cli\u003eDisplacement (cc)  129\u003c\/li\u003e \u003cli\u003eNet Weight (Kg)  4.82\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHONDA MB AC 80 cc\u003c\/li\u003e \u003cli\u003eHONDA MT AC 80 cc\u003c\/li\u003e \u003cli\u003eHONDA MTX AC 80 cc\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e  \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392301269258,"sku":"56-K283.57.CKA","price":260.95,"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-K283.57.CKA.jpg?v=1750690954"},{"product_id":"cylinder-kit-std-52-40-2015-2019-honda-cb125f-glr125-12100-ksw-e90","title":"CYLINDER KIT STD 52.40 2015-2019 HONDA CB125F GLR125 12100-KSW-E90","description":"\u003cp\u003eThis standard 52.40mm cylinder kit is designed for Honda CB125F and GLR125 models from 2015 to 2019. It serves as a direct OEM replacement, ensuring compatibility and restoring engine performance to optimal levels.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eStandard 52.40mm bore size\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality standards\u003c\/li\u003e\n\t\u003cli\u003eComplete kit for comprehensive engine rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore size: 52.40mm\u003c\/li\u003e\n\t\u003cli\u003ePiston pin diameter: 13mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder block\u003c\/li\u003e\n\t\u003cli\u003ePiston kit\u003c\/li\u003e\n\t\u003cli\u003ePiston pin (13mm diameter)\u003c\/li\u003e\n\t\u003cli\u003eRing kit\u003c\/li\u003e\n\t\u003cli\u003eGasket kit\u003c\/li\u003e\n\t\u003cli\u003e2 valve oil seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda CB125F 2015–2019\u003c\/li\u003e\n\t\u003cli\u003eHonda GLR125 2015–2019\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Number:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e12100-KSW-E90\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392301334794,"sku":"56-K2903.524.CK","price":122.56,"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-K2903.524.CK.jpg?v=1750690954"},{"product_id":"cylinder-kit-std-92-00mm-2012-2019-honda-trx500-12100-hr0-f00","title":"CYLINDER KIT STD 92.00mm 2012-2019 HONDA TRX500 12100-HR0-F00","description":"\u003cp\u003eThis Cylinder, Piston, and Gasket Top End Kit is designed for Honda engines with a standard 92.00mm bore. It includes a complete set of components required for a top-end rebuild, featuring a cylinder, piston with a 9.9:1 compression ratio, and all necessary gaskets. The kit is manufactured to meet OEM specifications for fit, durability, and performance, ensuring proper sealing and compatibility with factory components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eManufactured to meet or exceed OEM quality standards\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement for original equipment components\u003c\/li\u003e\n\t\u003cli\u003eCylinder with standard 92.00mm bore\u003c\/li\u003e\n\t\u003cli\u003ePiston with 9.9:1 compression ratio\u003c\/li\u003e\n\t\u003cli\u003eIncludes high-quality gaskets for reliable sealing\u003c\/li\u003e\n\t\u003cli\u003eDesigned for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 92.00mm (Standard)\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 9.9:1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 12100-HR0-F00\u003c\/li\u003e\n\t\u003cli\u003ePiston: 13101-HR0-F00\u003c\/li\u003e\n\t\u003cli\u003eCylinder Base Gasket: 12191-HR0-F01\u003c\/li\u003e\n\t\u003cli\u003eCylinder Head Gasket: 12251-HR0-F01\u003c\/li\u003e\n\t\u003cli\u003eCylinder Head Cover Gasket: 12315-HR0-F01\u003c\/li\u003e\n\t\u003cli\u003eRing Set: 13010-HP0-A01\u003c\/li\u003e\n\t\u003cli\u003ePiston Pin: 13111-HP5-600\u003c\/li\u003e\n\t\u003cli\u003ePiston Circlips: 13112-MAT-000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda 2012–2019 TRX500 FM\/FE\/FPE\/FPM Fourtrax Foreman 500 4x4\u003c\/li\u003e\n\t\u003cli\u003eHonda 2015–2019 TRX500 FA\/FM Foreman Rubicon 500 4x4\u003c\/li\u003e\n\t\u003cli\u003eHonda 2015–2021 SXS500M2 Pioneer 500 (Liquid-cooled UTV)\u003c\/li\u003e\n\t\u003cli\u003ePioneer 500 SXS500M2 (2015-2022)\u003c\/li\u003e\n\t\u003cli\u003ePioneer 1000 SXS1000M3 (2016-2018)\u003c\/li\u003e\n\t\u003cli\u003ePioneer 1000-5 SXS1000M5 (2016-2021)\u003c\/li\u003e\n\t\u003cli\u003eForeman Rubicon 500 TRX500FA6 4x4 Auto DCT EPS (2015-2019)\u003c\/li\u003e\n\t\u003cli\u003eForeman 500 TRX500FE2 4x4 ES (2013-2019)\u003c\/li\u003e\n\t\u003cli\u003eForeman Rubicon 500 TRX500FA7 4x4 Auto DCT EPS DLX (2019)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392301498634,"sku":"56-K2855.920.CLK2","price":310.72,"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-K2855.920.CLK2.jpg?v=1750690955"},{"product_id":"cylinder-kit-90-00mm-honda-98-04-trx-450-s-es-fe-fm-12100-hn0-a00","title":"CYLINDER KIT 90.00mm HONDA 98-04 TRX 450 S ES FE FM 12100-HN0-A00","description":"\u003cp\u003eThis top end rebuild kit is designed for all Honda TRX450 S\/ES\/FE\/FM Foreman 450 4x4 models from 1998 to 2004. It includes a standard bore cylinder, piston assembly, gaskets, and related components for restoring engine performance with OEM-level fit and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eUnmatched reliability and performance from high-tech materials\u003c\/li\u003e\n\t\u003cli\u003eMeets or exceeds OEM quality\u003c\/li\u003e\n\t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e\n\t\u003cli\u003eEasy to install; professional installation recommended if unsure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDisplacement: 450cc\u003c\/li\u003e\n\t\u003cli\u003eBore Size: STD 90mm\u003c\/li\u003e\n\t\u003cli\u003ePiston Height: 55.6mm\u003c\/li\u003e\n\t\u003cli\u003eCylinder Material: High-grade cast aluminum\u003c\/li\u003e\n\t\u003cli\u003ePiston Material: Forged aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1x Cylinder\u003c\/li\u003e\n\t\u003cli\u003e1x Standard Size Piston\u003c\/li\u003e\n\t\u003cli\u003e1x Piston Ring Kit\u003c\/li\u003e\n\t\u003cli\u003e1x Wristpin\u003c\/li\u003e\n\t\u003cli\u003e2x Circlips\u003c\/li\u003e\n\t\u003cli\u003e1x Cylinder Head Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Cylinder Block Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x Exhaust Gasket\u003c\/li\u003e\n\t\u003cli\u003e1x O-Ring\u003c\/li\u003e\n\t\u003cli\u003e1x Intake Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder: 12100-HN0-A00\u003c\/li\u003e\n\t\u003cli\u003eCylinder Base Gasket: 12191-HM7-013\u003c\/li\u003e\n\t\u003cli\u003eCylinder Head Gasket: 12251-HN0-A01\u003c\/li\u003e\n\t\u003cli\u003eCylinder Head Cover Gasket: 12315-HM7-005\u003c\/li\u003e\n\t\u003cli\u003ePiston: 13101-HN0-A00\u003c\/li\u003e\n\t\u003cli\u003eRing Set: 13010-HN0-A02\u003c\/li\u003e\n\t\u003cli\u003ePin, Piston: 13111-HN0-A00\u003c\/li\u003e\n\t\u003cli\u003eClip, Piston: 13112-MAT-000\u003c\/li\u003e\n\t\u003cli\u003eValve Seals: 12209-KL4-005\u003c\/li\u003e\n\t\u003cli\u003eO-Ring (37x2.4): 91305-HN0-A00\u003c\/li\u003e\n\t\u003cli\u003eExhaust Gasket: 18291-MN4-920\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda TRX450 S Foreman 450 4x4 1998–2004\u003c\/li\u003e\n\t\u003cli\u003eHonda TRX450 ES Foreman 450 4x4 1998–2004\u003c\/li\u003e\n\t\u003cli\u003eHonda TRX450 FE Foreman 450 4x4 1998–2004\u003c\/li\u003e\n\t\u003cli\u003eHonda TRX450 FM Foreman 450 4x4 1998–2004\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dirt Racing","offers":[{"title":"Default Title","offer_id":51392301629706,"sku":"56-K287.90.KIT","price":302.32,"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-K287.90.KIT.jpg?v=1750690956"},{"product_id":"cylinder-kit-78mm-ktm-exc-f-250-17-19-athena-ec270-022-std-bore-piston-not-included","title":"CYLINDER KIT 78MM KTM EXC-F 250 17-19, ATHENA EC270-022 STD BORE, (Piston not included)","description":"\u003cp\u003eATHENA Standard Bore Cylinder Kit Ø 78 mm, 250 cc with Gaskets (no piston included) - EC270-022\u003c\/p\u003e \u003cp\u003eDescription\u003c\/p\u003e \u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003c\/p\u003e \u003cp\u003eAll the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/p\u003e \u003cp\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/p\u003e \u003cp\u003eThe Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness.\u003c\/p\u003e \u003cp\u003eThe Easy Cylinder kit includes the high-quality aluminum cylinder with standard bore and the gasket kit.\u003c\/p\u003e \u003cp\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/p\u003e \u003cp\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/p\u003e \u003cp\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/p\u003e \u003cp\u003eTechnical features\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDisplacement (cc)  250\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVehicle compatibility\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKTM EXC-F 250 cc 2017\/2019 \u003c\/li\u003e \u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":51392301662474,"sku":"56-k308.78.cga","price":349.31,"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-K308.78.CGA.jpg?v=1750690956"}],"url":"https:\/\/2bros-mx.com\/collections\/cylinder-kits.oembed?page=5","provider":"2bros-mx.com","version":"1.0","type":"link"}