{"title":"Cylinder Works","description":"\u003cp\u003eOur Cylinder Works collection brings together trusted components for motocross and ATV riders, whether you’re maintaining, rebuilding or chasing extra 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. Expect proven quality from leading manufacturers, with options to suit modern and classic off-road machines.\u003c\/p\u003e\u003cp\u003eSuitable for a wide range of off-road machines, with parts selected to match real rider needs and workshop standards.\u003c\/p\u003e\u003cp\u003eAs a premium UK motocross and ATV parts supplier, 2bros-mx.com stocks trusted brands and dependable components to keep you riding with confidence.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIf you’d like support before ordering, speak to our UK team on +44 330 133 3748 or email info@2bros-mx.com.\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"cylinder-only-05-12-sxf250-76-works-cylinder-50002-std-ktm-sx-f250-sx250f","title":"CYLINDER ONLY 05-12 SXF250 76, WORKS CYLINDER 50002 STD KTM, SX-F250 \/ SX250F","description":"\u003cp\u003eThe Cylinder Works Standard 76mm Bore Cylinder is a direct bolt-on replacement for KTM 250 EXC-F, SX-F, XC-F, and XCF-W models. Designed to replicate OEM quality and dimensions, this cylinder offers a straightforward solution for engine repairs and rebuilds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eStandard 76mm bore for precise OEM fitment.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on installation; no replating required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating enhances durability and lifespan.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact dimensions for easy piston installation.\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\u003e(1) Standard cylinder\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\u003eKTM 250 EXC-F: 2006–2013\u003c\/li\u003e\n\t\u003cli\u003eKTM 250 SX-F: 2005–2012\u003c\/li\u003e\n\t\u003cli\u003eKTM 250 XC-F: 2006–2012\u003c\/li\u003e\n\t\u003cli\u003eKTM 250 XCF-W: 2006–2013\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396936040714,"sku":"56-k128.76.cw","price":461.08,"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-K128.76.CW.jpg?v=1750759040"},{"product_id":"cylinder-kit-03-05-yzf450-98-works-cylinder-23001-k02-wrf450-03-06","title":"CYLINDER KIT 03-05 YZF450 98, WORKS CYLINDER 23001-K02, WRF450 03-06","description":"\u003cp\u003eThe +3mm Big Bore Complete Cylinder Works Kit increases engine displacement to 478cc for Yamaha WR450F and YZ450F models. This direct bolt-on kit requires no replating or additional machining, offering a ready-to-install solution with OEM-like performance and quality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 478cc with a +3mm big bore cylinder.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on replacement with no additional machining required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for durability and long life.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed for straightforward piston installation.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all necessary components for installation.\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\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003eGasket set\u003c\/li\u003e\n\t\u003cli\u003ePiston pin\u003c\/li\u003e\n\t\u003cli\u003eCirclips (2)\u003c\/li\u003e\n\t\u003cli\u003eRing 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\u003eDisplacement: 478cc\u003c\/li\u003e\n\t\u003cli\u003eCompression: Standard\u003c\/li\u003e\n\t\u003cli\u003ePiston type: Vertex #23404\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 WR450F: 2003–2006\u003c\/li\u003e\n\t\u003cli\u003eYamaha YZ450F: 2003–2005\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396936401162,"sku":"56-k114.98.ckw","price":763.82,"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-K114.98.CKW.jpg?v=1750759042"},{"product_id":"cylinder-kit-yfz450r-09-18-works-cylinder-21003-k02-big-bore-2009-2017-yamaha-yfz-450r-atv-2010-2011-yamaha-yfz-450x-atv","title":"CYLINDER KIT YFZ450R 09-18, WORKS CYLINDER 21003-K02 BIG BORE, 2009 - 2017 Yamaha YFZ 450R ATV,2010 - 2011 Yamaha YFZ 450X ATV","description":"\u003cp\u003eCylinder Works +3mm Big Bore Complete Cylinder Kit for the 2009-2018 Yamaha YFZ450R and 2010-2011 Yamaha YFZ450X increases displacement to 478cc. This direct bolt-on upgrade requires no re-plating and includes all necessary components for installation, featuring a matched Vertex piston for durability and performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on installation with no additional machining required\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for extended lifespan\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact size for easy piston installation\u003c\/li\u003e\n\t\u003cli\u003eBig bore cylinders do not require additional machine work (unless specified)\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary components for installation\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 assembly\u003c\/li\u003e\n\t\u003cli\u003eTop-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\u003eBore: +3mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 478cc\u003c\/li\u003e\n\t\u003cli\u003eUses Vertex Piston #23403\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\u003eYAMAHA: 2S2-11311-10-00\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\u003e2009 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2010 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2011 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2012 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2013 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2014 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2015 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2016 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2017 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2018 Yamaha YFZ450R\u003c\/li\u003e\n\t\u003cli\u003e2009 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2010 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2011 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2012 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2013 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2014 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2015 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2016 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2017 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2018 Yamaha YFZ450RSE Special Edition\u003c\/li\u003e\n\t\u003cli\u003e2010 Yamaha YFZ450X\u003c\/li\u003e\n\t\u003cli\u003e2011 Yamaha YFZ450X\u003c\/li\u003e\n\t\u003cli\u003e2010 Yamaha YFZ450XBB Bill Balance Edition\u003c\/li\u003e\n\t\u003cli\u003e2011 Yamaha YFZ450X SE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396936696074,"sku":"56-k172.98.ckw","price":654.93,"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-K172.98.CKW.jpg?v=1750759044"},{"product_id":"cylinder-kit-ktm-13-15-sxf250-81mm-works-big-bore-51004-k01","title":"CYLINDER KIT KTM 13-15 SXF250 81mm, WORKS BIG BORE 51004-K01","description":"\u003cp\u003eBig bore cylinder kit designed for KTM 250 and Husaberg FE 250 models. This +3mm kit increases displacement to 270cc with a 13.9:1 compression ratio. It includes a matched Vertex piston for improved longevity, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures durability, and the kit is a direct bolt-on replacement requiring no replating or additional machining.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on installation with no replating required\u003c\/li\u003e\n\t\u003cli\u003eIncreases displacement to 270cc with a 13.9:1 compression ratio\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for extended durability\u003c\/li\u003e\n\t\u003cli\u003eIncludes matched Vertex piston for optimized performance\u003c\/li\u003e\n\t\u003cli\u003eComes complete with all necessary components for installation\u003c\/li\u003e\n\t\u003cli\u003eReplacement Vertex piston, rings, clips, and pins available separately\u003c\/li\u003e\n\t\u003cli\u003eManufactured in the U.S.A.\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: 51004-K01\u003c\/li\u003e\n\t\u003cli\u003e+3mm Big Bore Cylinder Kit\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 270cc\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 13.9:1\u003c\/li\u003e\n\t\u003cli\u003eUses Vertex Piston #23867\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\u003e(1) Cylinder\u003c\/li\u003e\n\t\u003cli\u003e(1) Piston kit\u003c\/li\u003e\n\t\u003cli\u003e(1) Top-end gasket kit\u003c\/li\u003e\n\t\u003cli\u003e(1) Piston pin\u003c\/li\u003e\n\t\u003cli\u003e(2) Circlips\u003c\/li\u003e\n\t\u003cli\u003e(1) Ring 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\u003e2014 KTM 250 EXC-F (Euro)\u003c\/li\u003e\n\t\u003cli\u003e2014 KTM 250 EXC-F\u003c\/li\u003e\n\t\u003cli\u003e2013-2015 KTM 250 SX-F\u003c\/li\u003e\n\t\u003cli\u003e2013-2015 KTM 250 XC-F\u003c\/li\u003e\n\t\u003cli\u003e2014 KTM 250 XCF-W\u003c\/li\u003e\n\t\u003cli\u003e2014-2015 Husaberg FE 250\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396936958218,"sku":"56-k190.81.ckw","price":884.43,"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-K190.81.CKW.jpg?v=1750759044"},{"product_id":"cylinder-only-54mm-yamaha-yz-125-05-21-cylinder-works-cw20011-std-bore","title":"CYLINDER ONLY 54MM YAMAHA YZ 125 05-21, CYLINDER WORKS CW20011 STD BORE","description":"\u003cp\u003eYamaha YZ 125 2005-2021\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396941054218,"sku":"56-K132.54.CW","price":487.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/56-K132_54_CW.png?v=1759602700"},{"product_id":"gasket-kit-top-end-3-00mm-big-bore-81-00mm-2004-2017-crf-250-r-x-cylinder-works-11001-g01","title":"GASKET KIT TOP END +3.00mm BIG BORE 81.00mm 2004 - 2017 CRF 250 R X CYLINDER WORKS 11001-G01","description":"\u003cp\u003eHONDA\u003c\/p\u003e \u003cp\u003eCRF250R 2004-2009\u003c\/p\u003e \u003cp\u003eCRF250X 2004-2009\u003c\/p\u003e \u003cp\u003eCRF250X 2012-2013\u003c\/p\u003e \u003cp\u003eCRF250X 2015-2017\u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396947640586,"sku":"56-k100.81.g.cw","price":61.22,"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-K100.81.G.CW.jpg?v=1750759080"},{"product_id":"cylinder-full-kit-54mm-yamaha-yz-125-05-21-cylinder-works-cw20011-k01-std-bore","title":"CYLINDER FULL KIT 54MM YAMAHA YZ 125 05-21, CYLINDER WORKS CW20011-K01 STD BORE","description":"\u003cp\u003eYamaha YZ 125 2005-2021\u003c\/p\u003e\n\n\u003cp\u003eDescription : Standard Bore Cylinder Kit \u003cbr\u003e\nCompression Ratio : Standard\u003cbr\u003e\nCylinder Diameter : 54 mm\u003cbr\u003e\nDisplacement : 125 cc\u003cbr\u003e\nEngine Type : 2-Cycle\u003cbr\u003e\nIncludes : Cylinder, Piston Kit,\u003cbr\u003e\nTop End Gasket Kit \u0026amp; Wrist Pin Bearing\u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396950163722,"sku":"56-K132.54.CKCW","price":602.88,"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-K132.54.CKCW.jpg?v=1750759090"},{"product_id":"cylinder-kit-3-00mm-big-bore-81-00mm-honda-2004-2017-crf-250-r-x-cylinder-works-11001-k01","title":"CYLINDER KIT +3.00mm BIG BORE 81.00mm HONDA 2004 - 2017 CRF 250 R X CYLINDER WORKS 11001-K01","description":"\u003cp\u003eThe +3mm Big Bore Cylinder Kit (Part Number: 11001-K01) is designed to significantly enhance the performance of Honda CRF250R (2004–2009) and CRF250X (2004–2017) models. With an 81mm bore size, this kit increases the engine displacement to 269cc, delivering a 13.0:1 compression ratio. When used with the Hot Rods #4183 crankshaft, the displacement increases to 277cc. This kit requires case machining, and detailed instructions are included.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+3mm Big Bore Kit) increases displacement to 269cc with a 13.0:1 compression ratio.\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Vertex #23535 piston.\u003c\/li\u003e\n\t\u003cli\u003eAchieves 277cc when paired with Hot Rods #4183 crankshaft.\u003c\/li\u003e\n\t\u003cli\u003eRequires case machining (instructions provided).\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary components for 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\u003e(1) Cylinder\u003c\/li\u003e\n\t\u003cli\u003e(1) Piston\u003c\/li\u003e\n\t\u003cli\u003e(1) Wrist pin\u003c\/li\u003e\n\t\u003cli\u003e(2) Cir-clips\u003c\/li\u003e\n\t\u003cli\u003eGaskets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplacement Parts:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Cylinder:\u003c\/strong\u003e Order No. 140408\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Piston Kit:\u003c\/strong\u003e Order No. 131447S\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Piston Rings:\u003c\/strong\u003e Order No. 131447SR\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Gasket Kit:\u003c\/strong\u003e Order No. 263948\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\u003e\n\u003cstrong\u003eHonda CRF250R:\u003c\/strong\u003e 2004–2009\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHonda CRF250X:\u003c\/strong\u003e 2004–2017\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e422-11001K\u003c\/li\u003e\n\t\u003cli\u003e0931-0118\u003c\/li\u003e\n\t\u003cli\u003e733712\u003c\/li\u003e\n\t\u003cli\u003e2055\u003c\/li\u003e\n\t\u003cli\u003eHR11001K01\u003c\/li\u003e\n\t\u003cli\u003e77000-35\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-672\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-730\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-731\u003c\/li\u003e\n\t\u003cli\u003eWT400210100009\u003c\/li\u003e\n\t\u003cli\u003eP400210100009\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCase machining is required for installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396953506058,"sku":"56-k100.81.k.w","price":658.84,"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-K100.81.K.W.jpg?v=1750759095"},{"product_id":"cylinder-only-03-05-yzf450-95m-works-cylinder-20001-wrf450","title":"CYLINDER ONLY 03-05 YZF450 95m, WORKS CYLINDER 20001 WRF450","description":"\u003cp\u003eCylinder Works STD Bore 95mm Cylinder is a direct bolt-on replacement for Yamaha models. This ready-to-install cylinder requires no replating, featuring Nickel Silicon Carbide plating for enhanced durability. Precisely honed for easy piston installation, it provides a performance-oriented solution with OEM-like fitment and quality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on replacement; no replating required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for extended lifespan.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact dimensions for simplified piston 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: 95mm\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\u003eYAMAHA: 5TA-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5TA-11311-01-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5TA-11311-02-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5TA-11311-10-00\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\u003eYamaha YZ450F: 2003–2005\u003c\/li\u003e\n\t\u003cli\u003eYamaha WR450F: 2003–2006\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450: 2004–2013\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450BB Bill Ballance Edition: 2006–2007\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450LE Limited Edition: 2004\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SE Special Edition: 2005, 2007\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SE2 Special Edition 2: 2007\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SP 50th Anniversary Edition: 2006\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SP Special Edition: 2008\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SP2 Special Edition 2: 2008\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396953571594,"sku":"56-k114.95.cw","price":359.59,"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-K114.95.CW.jpg?v=1750759095"},{"product_id":"cylinder-only-std-96-00mm-honda-2002-2008-crf-450-r-cylinder-works-10002","title":"CYLINDER ONLY STD 96.00mm HONDA 2002 - 2008 CRF 450 R CYLINDER WORKS 10002","description":"\u003cp\u003eThe Cylinder Works Standard Bore Aluminum Cylinder (96mm) is a high-quality aftermarket replacement designed for Honda CRF450R models from 2002 to 2008. Built to match OEM specifications, this cylinder is Nickel-Silicon-Carbide plated for enhanced durability and honed to the exact stock bore size for effortless piston installation. This ready-to-install solution eliminates the need for replating, providing a convenient option for engine rebuilds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eNew aftermarket replacement cylinder for standard bore (96mm).\u003c\/li\u003e\n\t\u003cli\u003eNickel-Silicon-Carbide plated bore for long-lasting performance.\u003c\/li\u003e\n\t\u003cli\u003eHoned to precise stock bore size for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eDesigned to match OEM appearance and specifications.\u003c\/li\u003e\n\t\u003cli\u003eReady-to-install, eliminating the need for replating.\u003c\/li\u003e\n\t\u003cli\u003eIdeal for completing a top-end rebuild when paired with a piston kit and top-end gasket.\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\u003e\n\u003cstrong\u003eHonda CRF450R:\u003c\/strong\u003e 2002–2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMX-09158\u003c\/li\u003e\n\t\u003cli\u003eHONDA: 12100-MEB-670\u003c\/li\u003e\n\t\u003cli\u003eHONDA: 12100-MEN-670\u003c\/li\u003e\n\t\u003cli\u003eHONDA: 12100-MEN-671\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396954194186,"sku":"56-k101.096.cw","price":352.58,"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-K101.096.CW.jpg?v=1750759097"},{"product_id":"cylinder-kit-100-02-08-crf450-works-honda-02-08-crf450-cylinder-works-11002-k01","title":"CYLINDER KIT 100 02-08 CRF450 WORKS, HONDA 02-08 CRF450, CYLINDER WORKS 11002-K01","description":"\u003cp\u003eThe +4mm Big Bore Cylinder Kit (Part Number: 11002-K01) is designed to increase the performance of Honda CRF450R models from 2002 to 2008. With a larger bore size, this kit boosts displacement to 488cc, achieving a compression ratio of 12.1:1. When paired with the Hot Rods #4148 crankshaft, displacement increases further to 511cc. This kit includes all components needed for installation, making it an ideal upgrade for enhanced power and performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+4mm Big Bore Kit) increases displacement to 488cc with a 12.1:1 compression ratio.\u003c\/li\u003e\n\t\u003cli\u003eAchieves 511cc when paired with Hot Rods #4148 crankshaft.\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Vertex #22966 piston.\u003c\/li\u003e\n\t\u003cli\u003eIncludes cylinder, piston, rings, pin, clips, and gaskets for a complete installation.\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\u003e\n\u003cstrong\u003eHonda CRF450R:\u003c\/strong\u003e 2002–2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHONDA: 12100-MEB-670\u003c\/li\u003e\n\t\u003cli\u003eHONDA: 12100-MEN-670\u003c\/li\u003e\n\t\u003cli\u003eHONDA: 12100-MEN-671\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396954554634,"sku":"56-k101.100.ckw","price":615.53,"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-K101.100.CKW.jpg?v=1750759099"},{"product_id":"cylinder-only-std-78-00mm-honda-2004-2017-crf-250-f-r-x-cylinder-works-10001","title":"CYLINDER ONLY STD 78.00mm HONDA 2004 - 2017 CRF 250 F R X CYLINDER WORKS 10001","description":"\u003cp\u003eThe Cylinder Works 10001 Standard Bore Cylinder (78mm) is a high-quality replacement cylinder for Honda CRF250R and CRF250X models. This direct bolt-on cylinder is designed to match OEM specifications and requires no replating, making it an easy-to-install solution for engine rebuilds. Its Nickel Silicon Carbide plating ensures long-lasting performance, while precision honing allows for smooth piston installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on cylinder ready for installation.\u003c\/li\u003e\n\t\u003cli\u003eRequires no replating and resembles OEM components.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for durability and extended service life.\u003c\/li\u003e\n\t\u003cli\u003eHoned to precise dimensions for effortless piston 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\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 12.9:1\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCylinder Diameter:\u003c\/strong\u003e 78 mm\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCylinder Kit Type:\u003c\/strong\u003e Standard Bore\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 249 cc\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 4-Stroke\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\u003e\n\u003cstrong\u003eHonda CRF250R:\u003c\/strong\u003e 2004–2009\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHonda CRF250X:\u003c\/strong\u003e 2004–2017\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM Cross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e12100-KRN-672\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-730\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-731\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-732\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396960813322,"sku":"56-k100.78.c.w","price":321.95,"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-K100.78.C.W.jpg?v=1750759113"},{"product_id":"cylinder-kit-1-00mm-big-bore-79-00mm-honda-2004-2017-crf-250-r-x-cylinder-works-12001-k01","title":"CYLINDER KIT +1.00mm BIG BORE 79.00mm HONDA 2004 - 2017 CRF 250 R X CYLINDER WORKS 12001-K01","description":"\u003cp\u003eThe Big Bore Cylinder Kit (Part Number: 12001-K01) is designed to enhance the performance of Honda CRF250R (2004–2009) and CRF250X (2004–2017) models. By increasing the displacement to 256cc with a 13.0:1 compression ratio, this kit provides improved power and efficiency. When paired with the Hot Rods #4183 crankshaft, the displacement increases further to 263cc. The kit includes all necessary components for installation, making it an ideal upgrade for riders seeking enhanced performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+1mm Big Bore Kit) increases displacement to 256cc.\u003c\/li\u003e\n\t\u003cli\u003eAchieves a 13.0:1 compression ratio for enhanced performance.\u003c\/li\u003e\n\t\u003cli\u003eWhen used with Hot Rods #4183 crankshaft, displacement reaches 263cc.\u003c\/li\u003e\n\t\u003cli\u003eIncludes cylinder, piston, rings, pin, clips, and gaskets.\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Vertex #23461 piston.\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\u003e\n\u003cstrong\u003eHonda CRF250R:\u003c\/strong\u003e 2004–2009\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHonda CRF250X:\u003c\/strong\u003e 2004–2017\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e12100-KRN-672\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-730\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-731\u003c\/li\u003e\n\t\u003cli\u003e12100-KRN-732\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396961009930,"sku":"56-k100.79.ckw","price":538.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-K100.79.CKW.jpg?v=1750759113"},{"product_id":"cylinder-only-rmz250-kxf250-77-works-cylinder-30001-std-bore","title":"CYLINDER ONLY RMZ250 KXF250 77, WORKS CYLINDER 30001 STD BORE","description":"\u003cp\u003eKawasaki KXF250 KX250F 2004-2008,\u003cbr\u003e Suzuki RMZ250 RM-Z250 2004-2006,\u003c\/p\u003e \u003cp\u003eWORKS Cylinder  Standard Bore 77mm \/ 250cc\u003c\/p\u003e \u003cp\u003eCylinder Works O.E.M and Big Bore Style\u003c\/p\u003e \u003cp\u003eCylinders. Cylinder Works is producing a line of four stroke cylinders in standard and big bore sizes. Currently customers must send out their cylinders for replating after the cylinder becomes worn or damaged. Cylinder Works eliminates these hassles by providing a ready-to-install cylinder available immediately to the consumer. Cylinder Works cylinders look virtually identical to the OEM and are available in standard size and ready to bolt on.\u003c\/p\u003e \u003cp\u003eCross reference numbers ONLY. \u003cbr\u003eKAWASAKI: 11005-0005 KAWASAKI: 11005-0037 KAWASAKI: 11005-0069 SUZUKI: K1100-50005 SUZUKI:K1100-50037\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396962255114,"sku":"56-k104.77.cw","price":338.62,"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-K104.77.CW.jpg?v=1750759118"},{"product_id":"cylinder-only-06-09-yzf450-95mm-works-cylinder-20003-2007-2015-yamaha-wr450f","title":"CYLINDER ONLY 06-09 YZF450 95mm, WORKS Cylinder 20003, 2007 - 2015 Yamaha WR450F","description":"\u003cp\u003eThe Cylinder Works Standard Bore Cylinder (Part Number: 20003) is a high-quality replacement cylinder for Yamaha WR450F (2007–2015) and Yamaha YZ450F (2006–2009) models. Designed to match OEM specifications, this 95mm bore cylinder is Nickel Silicon Carbide plated for long-lasting durability and honed to exact dimensions for easy piston installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on replacement for standard bore (95mm).\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for enhanced durability and performance.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed to OEM specifications for seamless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eMatches the appearance and function of the original component.\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\u003e\n\u003cstrong\u003eYamaha WR450F:\u003c\/strong\u003e 2007–2015\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ450F:\u003c\/strong\u003e 2006–2009\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA: 2S2-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 2S2-11311-10-00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396963533066,"sku":"56-k108.95.cw","price":359.59,"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-K108.95.CW.jpg?v=1750759122"},{"product_id":"gasket-top-kit-yzf250-270cc-80mm-cylinder-works-21002-g01","title":"GASKET TOP KIT YZF250 270cc, 80mm CYLINDER WORKS 21002-G01","description":"\u003cp\u003eThe 80mm Big Bore Top End Gasket Kit is specifically designed for Yamaha WR250F and YZ250F models from 2001 to 2013 with a 269cc Big Bore upgrade. This kit includes all necessary gaskets for a reliable seal, ensuring optimal performance for the top-end rebuild of your engine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDesigned for 80mm Big Bore applications with 269cc displacement.\u003c\/li\u003e\n\t\u003cli\u003eIncludes head, base, exhaust, and cam chain tensioner gaskets.\u003c\/li\u003e\n\t\u003cli\u003eProvides a precise seal for consistent and reliable engine operation.\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Yamaha WR250F and YZ250F models using a Big Bore upgrade.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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\u003e\n\u003cstrong\u003eYamaha WR250F:\u003c\/strong\u003e 2001–2013\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ250F:\u003c\/strong\u003e 2001–2013\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396963860746,"sku":"56-k103.80.gkw","price":82.23,"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-K103.80.GKW.jpg?v=1750759123"},{"product_id":"gasket-kit-top-end-1-00mm-big-bore-79-00mm-honda-2004-2017-crf-250-r-x-cylinder-works-12001-g01","title":"GASKET KIT TOP END +1.00mm BIG BORE 79.00mm HONDA 2004 - 2017 CRF 250 R X CYLINDER WORKS 12001-G01","description":"\u003cp\u003eThe Cylinder Works 12001-G01 Big Bore Gasket Kit is designed for 256cc big bore applications, providing all necessary gaskets for a complete top-end rebuild. This kit includes head, base, exhaust, and cam chain tensioner gaskets, ensuring a precise fit and reliable sealing. Manufactured for durability and high performance, it is compatible with big bore cylinder setups requiring a 79mm bore diameter.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eComplete top-end gasket kit for 256cc big bore applications\u003c\/li\u003e\n\t\u003cli\u003eIncludes head, base, exhaust, and cam chain tensioner gaskets\u003c\/li\u003e\n\t\u003cli\u003eDesigned for a 79mm cylinder bore diameter\u003c\/li\u003e\n\t\u003cli\u003eEngineered for high durability and precise sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCylinder Diameter: 79 mm\u003c\/li\u003e\n\t\u003cli\u003eCylinder Kit Type: Big Bore\u003c\/li\u003e\n\t\u003cli\u003eSize Over Standard: +1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eVehicle Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHONDA CRF250R (2004-2009)\u003c\/li\u003e\n\t\u003cli\u003eHONDA CRF250X (2004-2017)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"column\" id=\"productDetailsContentInfo\" style=\"float:\" left arial helvetica sans-serif normal start none initial width:=\"\" color:=\"\" font-family:=\"\" font-size:=\"\" font-style:=\"\" font-variant-ligatures:=\"\" font-variant-caps:=\"\" font-weight:=\"\" letter-spacing:=\"\" orphans:=\"\" text-align:=\"\" text-indent:=\"\" text-transform:=\"\" white-space:=\"\" widows:=\"\" word-spacing:=\"\" background-color:=\"\" text-decoration-style:=\"\" text-decoration-color:=\"\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396964679946,"sku":"56-k100.79.gkw","price":45.85,"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-K100.79.GKW.jpg?v=1750759126"},{"product_id":"cylinder-only-yzf250-01-13-works-cylinder-works-20002-std-77mm-wrf250-2001-2013","title":"CYLINDER ONLY YZF250 01-13, WORKS CYLINDER WORKS 20002 STD, 77mm WRF250 2001-2013","description":"\u003cp\u003eThe Cylinder Works Standard Bore Cylinder (77mm) is a high-quality, direct bolt-on replacement for Yamaha WR250F and YZ250F models from 2001 to 2013. Designed to match OEM specifications, this cylinder eliminates the need for replating and provides a ready-to-install solution for engine rebuilds. With a Nickel Silicon Carbide plated bore, it ensures long-lasting performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on replacement cylinder, requiring no replating.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact size for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for durability and long life.\u003c\/li\u003e\n\t\u003cli\u003eMatches OEM appearance and performance standards.\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\u003e\n\u003cstrong\u003eYamaha WR250F:\u003c\/strong\u003e 2001–2013\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ250F:\u003c\/strong\u003e 2001–2013\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA: 5NL-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5NL-11631-20-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5UL-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5XC-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5XC-11311-01-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5XC-11311-10-00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396964909322,"sku":"56-k103.77.cw","price":319.44,"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-K103.77.CW.jpg?v=1750759127"},{"product_id":"cylinder-kit-06-09-yzf450-works-cylinder-21003-k01-480cc-2007-2015-yamaha-wr450f","title":"CYLINDER KIT 06-09 YZF450, WORKS Cylinder 21003-K01, 480cc 2007 - 2015 Yamaha WR450F","description":"\u003cp\u003eThe Cylinder Works +3mm Big Bore Complete Cylinder Kit (Part Number: 21003-K01) is an upgrade for Yamaha YZ450F (2006–2009) and WR450F (2007–2015) models. Increasing engine displacement to 478cc, this kit enhances power and performance with a direct bolt-on installation. The Nickel Silicon Carbide plated cylinder ensures durability, and the kit includes all necessary components for a complete top-end rebuild.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+3mm Big Bore Kit) increases engine displacement to 478cc.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on design, requiring no replating or additional machining.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated cylinder for long-lasting performance.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed to exact specifications for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all gaskets and components for a seamless rebuild.\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\u003eWrist pin\u003c\/li\u003e\n\t\u003cli\u003e(2) Cir-clips\u003c\/li\u003e\n\t\u003cli\u003eTop ring\u003c\/li\u003e\n\t\u003cli\u003e(2) Oil rings\u003c\/li\u003e\n\t\u003cli\u003eSpacer ring\u003c\/li\u003e\n\t\u003cli\u003eCylinder head gasket\u003c\/li\u003e\n\t\u003cli\u003eCylinder gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCase gasket\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\u003e\n\u003cstrong\u003eYamaha YZ450F:\u003c\/strong\u003e 2006–2009, including the 2006 YZ450FSP 50th Anniversary Edition\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha WR450F:\u003c\/strong\u003e 2007–2015\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e422-21003K\u003c\/li\u003e\n\t\u003cli\u003e0931-0174\u003c\/li\u003e\n\t\u003cli\u003e733826\u003c\/li\u003e\n\t\u003cli\u003e2792\u003c\/li\u003e\n\t\u003cli\u003eHR21003K01\u003c\/li\u003e\n\t\u003cli\u003e77003-25\u003c\/li\u003e\n\t\u003cli\u003e2S2-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003e2S2-11311-10-00\u003c\/li\u003e\n\t\u003cli\u003eK8562D300-1ZA\u003c\/li\u003e\n\t\u003cli\u003eWT400485100021\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396965138698,"sku":"56-k108.98.ckw","price":764.71,"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-K108.98.CKW.jpg?v=1750759127"},{"product_id":"cylinder-kit-yzf250-01-13-works-cylinder-works-21002-k01-80mm-270cc-wrf250-2001-2013","title":"CYLINDER KIT YZF250 01-13, WORKS CYLINDER WORKS 21002-K01, 80mm 270cc WRF250 2001-2013","description":"\u003cp\u003eThe +3mm Big Bore Cylinder Kit (Part Number: 21002-K01) is a high-performance upgrade designed for Yamaha WR250F and YZ250F models from 2001 to 2013. This kit increases engine displacement to 269cc with a 12.5:1 compression ratio, delivering improved power and performance without requiring any additional machine work. It is a direct bolt-on solution, featuring a Nickel Silicon Carbide plated bore for durability and precise honing for easy piston installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+3mm Big Bore Kit) increases displacement to 269cc with a 12.5:1 compression ratio.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on installation with no replating required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated bore ensures long-lasting performance.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact specifications for seamless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all components necessary for 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\u003eCylinder\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin\u003c\/li\u003e\n\t\u003cli\u003eClips\u003c\/li\u003e\n\t\u003cli\u003eGaskets\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\u003e\n\u003cstrong\u003eYamaha WR250F:\u003c\/strong\u003e 2001–2013\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ250F:\u003c\/strong\u003e 2001–2013\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ250FSP 50th Anniversary Edition:\u003c\/strong\u003e 2006\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eYAMAHA: 5NL-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5UL-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5XC-11311-00-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5XC-11311-01-00\u003c\/li\u003e\n\t\u003cli\u003eYAMAHA: 5XC-11311-10-00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396965269770,"sku":"56-k103.80.ckw","price":732.33,"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-K103.80.CKW.jpg?v=1750759127"},{"product_id":"cylinder-kit-68mm-12-21-crf150r-works-11004-k02-big-bore","title":"CYLINDER KIT 68mm 12-21 CRF150R, WORKS 11004-K02 BIG BORE","description":"\u003cp\u003eThe Cylinder Works +2mm Big Bore Cylinder Kit increases the displacement of Honda CRF150R and CRF150RB models to 159cc. This ready-to-install kit delivers OEM-like fitment and performance, featuring durable materials and precision engineering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 159cc with a +2mm big bore cylinder.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for enhanced durability and long service life.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on replacement; no replating required.\u003c\/li\u003e\n\t\u003cli\u003eMatched Vertex pistons ensure optimal performance and reduced engine noise.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all components needed for a complete top-end rebuild.\u003c\/li\u003e\n\t\u003cli\u003eMade in the U.S.A.\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\u003c\/li\u003e\n\t\u003cli\u003ePiston kit\u003c\/li\u003e\n\t\u003cli\u003eTop-end gasket kit\u003c\/li\u003e\n\t\u003cli\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin\u003c\/li\u003e\n\t\u003cli\u003eClips\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: 159cc\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 11.7:1\u003c\/li\u003e\n\t\u003cli\u003ePiston type: Vertex #23868\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 CRF150R: 2012–2021\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF150RB (Expert): 2012–2021\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396965728522,"sku":"56-k116.68.ckw2","price":633.0,"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-K116.68.CKW2.jpg?v=1750759129"},{"product_id":"gasket-top-kit-rmz250-kxf250-80-works-cylinder-31001-g01-big-bore","title":"GASKET TOP KIT RMZ250 KXF250 80, WORKS CYLINDER 31001-G01 BIG BORE","description":"\u003cp\u003eThe 80mm Big Bore Gasket Kit (Part Number: 31001-G01) is designed for use with 269cc Big Bore upgrades on Kawasaki KX250F (2004–2008) and Suzuki RM-Z250 (2004–2006) models. This gasket kit includes all necessary gaskets for the top-end rebuild, ensuring a reliable and precise seal for optimal engine performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDesigned for 80mm Big Bore applications with 269cc displacement.\u003c\/li\u003e\n\t\u003cli\u003eIncludes head gasket, base gasket, exhaust gasket, and cam chain tensioner gasket.\u003c\/li\u003e\n\t\u003cli\u003eProvides a secure seal for consistent and reliable engine operation.\u003c\/li\u003e\n\t\u003cli\u003eIdeal for use with Big Bore Cylinder Kits on compatible models.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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\u003e\n\u003cstrong\u003eKawasaki KX250F:\u003c\/strong\u003e 2004–2008\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSuzuki RM-Z250:\u003c\/strong\u003e 2004–2006\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396965859594,"sku":"56-k104.80.gkw","price":89.96,"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-K104.80.GKW.jpg?v=1750759130"},{"product_id":"cylinder-kit-06-09-ltr450-98cc-works-cylinder-41002-k01-lt-r450","title":"CYLINDER KIT 06-09 LTR450 98cc, WORKS CYLINDER 41002-K01, LT-R450","description":"\u003cp\u003eThe Cylinder Works +2.5mm Big Bore Complete Cylinder Kit increases the displacement of Suzuki LT-R450 Quad Racer models to 474cc. This direct bolt-on kit offers OEM-like fitment and performance, with high-quality components designed for durability and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 474cc with a 98mm bore.\u003c\/li\u003e\n\t\u003cli\u003eStandard compression ratio; compatible with Hot Rods #4176 for a 496cc setup.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating ensures long-lasting durability.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary components for a complete top-end rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n\t\u003cli\u003eCylinder\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eEngine case gasket\u003c\/li\u003e\n\t\u003cli\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003e1.83x1.52x.188 bushing\u003c\/li\u003e\n\t\u003cli\u003eAluminum piston (Vertex)\u003c\/li\u003e\n\t\u003cli\u003eWrist pin\u003c\/li\u003e\n\t\u003cli\u003eCirclips (2)\u003c\/li\u003e\n\t\u003cli\u003ePiston rings\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDisplacement: 474cc\u003c\/li\u003e\n\t\u003cli\u003eBore size: 98mm\u003c\/li\u003e\n\t\u003cli\u003ePiston type: Vertex #23521\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e422-41002K\u003c\/li\u003e\n\t\u003cli\u003e0931-0176\u003c\/li\u003e\n\t\u003cli\u003e733843\u003c\/li\u003e\n\t\u003cli\u003e4195\u003c\/li\u003e\n\t\u003cli\u003eHR41002K01\u003c\/li\u003e\n\t\u003cli\u003e77002-12\u003c\/li\u003e\n\t\u003cli\u003e11211-45G00-0F0\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\u003eSuzuki LT-R450 Quad Racer: 2006–2009\u003c\/li\u003e\n\t\u003cli\u003eSuzuki LT-R450Z Quad Racer Limited Edition: 2009\u003c\/li\u003e\n\t\u003cli\u003eSuzuki LT-R450Z Quad Racer Special Edition: 2008\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967366922,"sku":"56-k130.098.kit","price":751.59,"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-K130.098.KIT.jpg?v=1750759135"},{"product_id":"cylinder-kit-rmz250-kxf250-80-works-cylinder-31001-k01-big-bore","title":"CYLINDER KIT RMZ250 KXF250 80, WORKS CYLINDER 31001-K01 BIG BORE","description":"\u003cp\u003eThe +3mm Big Bore Cylinder Kit (Part Number: 31001-K01) is a complete upgrade designed for Kawasaki KX250F (2004–2008) and Suzuki RM-Z250 (2004–2006) models. This kit increases the engine displacement to 269cc while maintaining standard compression, offering enhanced performance with a direct bolt-on installation. The Nickel Silicon Carbide plated cylinder ensures durability, and the kit includes all components necessary for a top-end rebuild.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+3mm Big Bore Kit) increases engine displacement to 269cc with standard compression.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on installation with no replating required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated cylinder for extended service life.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed to the exact size for effortless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary components for a complete top-end rebuild.\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\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin\u003c\/li\u003e\n\t\u003cli\u003eClips\u003c\/li\u003e\n\t\u003cli\u003eGaskets\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\u003e\n\u003cstrong\u003eKawasaki KX250F:\u003c\/strong\u003e 2004–2008\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSuzuki RM-Z250:\u003c\/strong\u003e 2004–2006\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eKawasaki:\u003c\/strong\u003e 11005-0005, 11005-0037, 11005-0069\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSuzuki:\u003c\/strong\u003e K1100-50005, K1100-50037\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967497994,"sku":"56-k104.80.ckw","price":691.28,"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-K104.80.CKW.jpg?v=1750759135"},{"product_id":"gasket-top-kit-03-05-yzf450-98-works-cylinder-23001-g01-wrf450-03-06","title":"GASKET TOP KIT 03-05 YZF450 98, WORKS CYLINDER 23001-G01, WRF450 03-06","description":"\u003cp\u003eThe Big Bore Gasket Kit is designed for Yamaha WR450F and YZ450F models equipped with a 478cc big bore cylinder. This comprehensive top-end gasket kit ensures a precise fit and reliable sealing for optimal engine performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSpecifically designed for 478cc big bore applications.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary gaskets for top-end assembly.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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 compatibility: 478cc\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 WR450F: 2003–2006\u003c\/li\u003e\n\t\u003cli\u003eYamaha YZ450F: 2003–2005\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967530762,"sku":"56-k114.98.gkw","price":98.7,"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-K114.98.GKW.jpg?v=1750759135"},{"product_id":"gasket-top-kit-99-05-17-crf450x-works-cylinder-11008-g01-big-bore","title":"GASKET TOP KIT 99 05-17 CRF450X, WORKS CYLINDER 11008-G01 BIG BORE","description":"\u003cp\u003eThe Big Bore Gasket Kit is specifically designed for Honda CRF450X models with a +3mm big bore cylinder. This top-end gasket kit ensures reliable sealing and compatibility with 99mm bore cylinders.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDesigned for 99mm big bore applications.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary gaskets for top-end assembly.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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: 99mm\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 CRF450X: 2005–2017\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967629066,"sku":"56-K115.099.GKW","price":97.62,"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-K115.099.GKW.jpg?v=1750759136"},{"product_id":"cylinder-kit-04-05-trx450r-480-works-cyclinder-11003-k01-big-bore-97-00mm","title":"CYLINDER KIT 04-05 TRX450R 480, WORKS CYCLINDER 11003-K01, BIG BORE 97.00mm","description":"\u003cp\u003eThe Big Bore Cylinder Kit (Part Number: 11003-K01) is designed to enhance the performance of the 2004–2005 Honda TRX450R Sportrax. This +3mm Big Bore Kit increases the engine displacement to 479cc with a 10.5:1 compression ratio. When paired with the Hot Rods #4160 crankshaft, the displacement increases further to 500cc. The kit includes all necessary components for a complete installation, making it a powerful upgrade option for improved performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e(+3mm Big Bore Kit) increases displacement to 479cc with a 10.5:1 compression ratio.\u003c\/li\u003e\n\t\u003cli\u003eAchieves 500cc when paired with Hot Rods #4160 crankshaft.\u003c\/li\u003e\n\t\u003cli\u003eBore size: 97.00mm.\u003c\/li\u003e\n\t\u003cli\u003eIncludes high-quality Vertex #23531 piston.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit with cylinder, piston, rings, pin, clips, and gaskets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplacement Parts:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Cylinder:\u003c\/strong\u003e Order No. 140421\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Piston Kit:\u003c\/strong\u003e Order No. 131453S\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Piston Rings:\u003c\/strong\u003e Order No. 131453SR\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReplacement Big Bore Gasket Kit:\u003c\/strong\u003e Order No. 263953\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\u003e\n\u003cstrong\u003eHonda TRX450R Sportrax:\u003c\/strong\u003e 2004–2005\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e12101-HP1-670\u003c\/li\u003e\n\t\u003cli\u003eATHENA P400210100007\u003c\/li\u003e\n\t\u003cli\u003eS4F09700010A\u003c\/li\u003e\n\t\u003cli\u003eP400210160005\u003c\/li\u003e\n\t\u003cli\u003eS41316060\u003c\/li\u003e\n\t\u003cli\u003eS41317039\u003c\/li\u003e\n\t\u003cli\u003e422-11003K\u003c\/li\u003e\n\t\u003cli\u003e0931-0133\u003c\/li\u003e\n\t\u003cli\u003e733706\u003c\/li\u003e\n\t\u003cli\u003eDec-52\u003c\/li\u003e\n\t\u003cli\u003eHR11003K01\u003c\/li\u003e\n\t\u003cli\u003e77000-37\u003c\/li\u003e\n\t\u003cli\u003eK8610D300-1ZA\u003c\/li\u003e\n\t\u003cli\u003eTW400210100007\u003c\/li\u003e\n\t\u003cli\u003eP400210100007 (Size: 97mm Bore)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967727370,"sku":"56-k105.97.k.w","price":717.44,"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-K105.97.K.W.jpg?v=1750759136"},{"product_id":"cylinder-kit-yfz450-04-13-works-cylinder-23001-k01-big-bore","title":"CYLINDER KIT YFZ450 04-13, WORKS CYLINDER 23001-K01 BIG BORE","description":"\u003cp\u003eThe +3mm Big Bore Complete Cylinder Kit for the 2004–2013 Yamaha YFZ 450 ATV provides a direct bolt-on upgrade, delivering increased displacement without requiring additional machining. Designed to maintain a near-identical appearance to OEM components, this kit is engineered for durability and precision with Nickel Silicon Carbide plating and exact honing for effortless piston installation. It includes all necessary components for a seamless installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on design; no replating required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating ensures long cylinder life.\u003c\/li\u003e\n\t\u003cli\u003eHoned to precise dimensions for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eBig bore upgrade requires no machining unless specified.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all necessary components for installation.\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\u003eBig bore cylinder (+3mm)\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003eRing set\u003c\/li\u003e\n\t\u003cli\u003eTwo circlips\u003c\/li\u003e\n\t\u003cli\u003eGasket set\u003c\/li\u003e\n\t\u003cli\u003ePiston pin\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: 468cc for 2004–2005 models; 478cc for 2006–2012 models\u003c\/li\u003e\n\t\u003cli\u003eCompression: Standard\u003c\/li\u003e\n\t\u003cli\u003eCompatible Piston: Vertex #23403\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\u003eYamaha YFZ450 (2004–2013)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450BB Bill Ballance Edition (2006, 2007)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450LE Limited Edition (2004)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SE Special Edition (2005, 2007)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SE2 Special Edition 2 (2007)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SP 50th Anniversary Edition (2006)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SP Special Edition (2008)\u003c\/li\u003e\n\t\u003cli\u003eYamaha YFZ450SP2 Special Edition 2 (2008)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967760138,"sku":"56-k133.98.ckw1","price":763.82,"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-K133.98.CKW1.jpg?v=1750759136"},{"product_id":"cylinder-only-96-05-17-crf450x-works-cylinder-10008-std-bore","title":"CYLINDER ONLY 96 05-17 CRF450X, WORKS CYLINDER 10008, STD BORE","description":"\u003cp\u003eThe Big Bore Gasket Kit is designed for Yamaha WR450F and YZ450F models equipped with a 478cc big bore cylinder. This comprehensive top-end gasket kit ensures a precise fit and reliable sealing for optimal engine performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSpecifically designed for 478cc big bore applications.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary gaskets for top-end assembly.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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 compatibility: 478cc\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 WR450F: 2003–2006\u003c\/li\u003e\n\t\u003cli\u003eYamaha YZ450F: 2003–2005\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396967825674,"sku":"56-k115.096.cw","price":369.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-K115.096.CW.jpg?v=1750759136"},{"product_id":"cylinder-only-66mm-07-23-crf150-works-cylinder-10004-standard-bore","title":"CYLINDER ONLY 66mm 07-23 CRF150, WORKS CYLINDER 10004, STANDARD BORE","description":"\u003cp\u003e\u003cspan style=\"text-decoration:\" underline\u003e\u003cstrong\u003eHONDA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eCRF150R \/ RB 2007 - 2023,\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size:\" medium\u003e\u003cstrong\u003eCYLINDER WORKS 10004 STANDARD BORE 66mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eCylinder Works O.E.M and Big Bore Style Cylinders. Cylinder Works is  producing a line of four stroke cylinders in standard and big bore  sizes. Currently customers must send out their cylinders for replating  after the cylinder becomes worn or damaged. Cylinder Works eliminates  these hassles by providing a ready-to-install cylinder available  immediately to the consumer.  Cylinder Works cylinders look virtually  identical to the OEM and are available in standard size and ready to  bolt on.\u003c\/p\u003e \u003cp\u003ePart No.  56-K116.66.CW   (oro2u.com)\u003cbr\u003e\u003cbr\u003eCross reference numbers ONLY. \u003cbr\u003e12100-KSE-670, 12100-KSE-671,\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e \u003cp\u003e2007 - 2016 Honda CRF 150R,\u003cbr\u003e 2007 - 2016 Honda CRF 150RB,\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396969365770,"sku":"56-k116.66.cw","price":310.63,"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-K116.66.CW.jpg?v=1750759137"},{"product_id":"cylinder-kit-99-05-17-crf450x-works-cylinder-11008-k01-big-bore","title":"CYLINDER KIT 99 05-17 CRF450X, WORKS CYLINDER 11008-K01 BIG BORE","description":"\u003cp\u003eThe Cylinder Works +3mm Big Bore Complete Cylinder Kit is a performance-enhancing solution for Honda CRF450X models, increasing displacement to 478cc. This ready-to-install kit offers OEM-like fitment and quality without the need for replating or additional machining.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 478cc with a +3mm big bore cylinder.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating ensures durability and long service life.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all necessary components for a top-end rebuild.\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Hot Rods #4170 crankshaft to achieve 500cc displacement.\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\u003c\/li\u003e\n\t\u003cli\u003ePiston kit\u003c\/li\u003e\n\t\u003cli\u003eTop-end gasket kit\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: 478cc\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 12.1:1\u003c\/li\u003e\n\t\u003cli\u003ePiston type: Vertex #23595\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: 12100-MEY-670\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 CRF450X: 2005–2017\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396969431306,"sku":"56-K115.099.CKW","price":640.44,"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-K115.099.CKW.jpg?v=1750759137"},{"product_id":"gasket-top-kit-06-09-yz-450f-works-cylinder-21003-g01-480cc-2007-2015-yamaha-wr450f","title":"GASKET TOP KIT 06-09 YZ 450F, WORKS Cylinder 21003-G01, 480cc 2007 - 2015 Yamaha WR450F","description":"\u003cp\u003e\u003cstrong\u003eBig Bore Gasket Kit 98mm\u003c\/strong\u003e\u003cbr\u003e\n478cc top-end gasket kit designed for optimal performance. Includes head, base, exhaust, and cam chain tensioner gaskets for a precise fit and reliable sealing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eComprehensive gasket set for 98mm bore applications.\u003c\/li\u003e\n\t\u003cli\u003eIncludes head, base, exhaust, and cam chain tensioner gaskets.\u003c\/li\u003e\n\t\u003cli\u003eSuitable for high-performance or replacement needs.\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: 98mm.\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 478cc.\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\u003e\n\u003cstrong\u003eYamaha WR 450 F\u003c\/strong\u003e: 2007–2015.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ 450 F\u003c\/strong\u003e: 2006–2009.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha ATV YFZ 450\u003c\/strong\u003e: 2017.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha ATV YFZ 450 R\u003c\/strong\u003e: 2009–2022.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha ATV YFZ 450 R SE\u003c\/strong\u003e: 2009–2022.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha ATV YFZ 450 X\u003c\/strong\u003e: 2010–2011.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eYamaha ATV YFZ 450 X Bill Balance Edition\u003c\/strong\u003e: 2010.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396969496842,"sku":"56-k108.98.gkw","price":98.7,"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-K108.98.GKW.jpg?v=1750759138"},{"product_id":"cylinder-only-07-09-rmz250-77-works-cylinder-40003-rm-z250","title":"CYLINDER ONLY 07-09 RMZ250 77, WORKS CYLINDER 40003 RM-Z250","description":"\u003cp\u003eThe Works Cylinder Standard Bore 77mm Cylinder is a direct bolt-on replacement for Suzuki RM-Z250 models. This cylinder is designed to meet OEM specifications, ensuring reliable performance and easy installation for engine rebuilds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eStandard 77mm bore for accurate OEM fitment.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on installation requiring no replating.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for enhanced durability and extended service life.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact dimensions for straightforward piston installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e0931-0401\u003c\/li\u003e\n\t\u003cli\u003e77002-18\u003c\/li\u003e\n\t\u003cli\u003e11211-10H00-0F0\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\u003eSuzuki RM-Z250: 2007–2009\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396969660682,"sku":"56-k129.77.cw","price":404.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-K129.77.CW.jpg?v=1750759138"},{"product_id":"cylinder-kit-68mm-07-09-crf150-works-11004-k01-big-bore-56-k116-68-kit","title":"CYLINDER KIT 68mm 07-09 CRF150, WORKS 11004-K01 BIG BORE, 56-K116.68.KIT","description":"\u003cp\u003eThe Cylinder Works +2mm Big Bore Complete Cylinder Kit increases the displacement of Honda CRF150R and CRF150RB models to 159cc. This direct bolt-on kit requires no replating or additional machining, delivering OEM-like fitment and performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 159cc with a +2mm big bore cylinder.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for enhanced durability and long life.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all components for a top-end rebuild.\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Hot Rods #4175 crankshaft to achieve 166cc displacement.\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\u003c\/li\u003e\n\t\u003cli\u003ePiston\u003c\/li\u003e\n\t\u003cli\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin\u003c\/li\u003e\n\t\u003cli\u003eClips\u003c\/li\u003e\n\t\u003cli\u003eGasket set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDisplacement: 159cc\u003c\/li\u003e\n\t\u003cli\u003eBore size: 68.00mm\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 11.7:1\u003c\/li\u003e\n\t\u003cli\u003eSize over standard: +2.00mm\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: 12100-KSE-670\u003c\/li\u003e\n\t\u003cli\u003eHONDA: 12100-KSE-671\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 CRF150R: 2007–2009\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF150RB: 2007–2009\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396969791754,"sku":"56-k116.68.ckw1","price":512.95,"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-K116.68.CKW1.jpg?v=1750759138"},{"product_id":"gasket-bigbore-kit-yz250-72mm-namura-mx-09153h-293cc","title":"GASKET BIGBORE KIT YZ250 72mm, NAMURA MX-09153H 293cc","description":"\u003cp\u003e Part No.  56-K161.72.GK  (oro2u.com)\u003cbr\u003e YAMAHA YZ250 1999-2015,\u003cbr\u003e GASKET TOP KIT BIG BORE BORE 72MM \/ 293Ccc\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396969824522,"sku":"56-k161.72.gk","price":33.55,"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-K161.72.GK.jpg?v=1750759138"},{"product_id":"cylinder-kit-06-12-trx450-99mm-works-cyclinder-11005-k01","title":"CYLINDER KIT 06-12 TRX450 99mm, WORKS CYCLINDER 11005-K01","description":"\u003cp\u003eThe Cylinder Works +3mm Big Bore Complete Cylinder Kit increases the displacement of Honda TRX450R and TRX450ER models to 477cc. This direct bolt-on kit requires no replating or additional machining, offering OEM-like fitment 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\u003eIncreases displacement to 477cc with a +3mm big bore cylinder.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating ensures long-lasting durability.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed for straightforward piston installation.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all necessary components for top-end rebuilding.\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\u003c\/li\u003e\n\t\u003cli\u003eVertex piston\u003c\/li\u003e\n\t\u003cli\u003eRing set (3 rings)\u003c\/li\u003e\n\t\u003cli\u003eWrist pin\u003c\/li\u003e\n\t\u003cli\u003eCirclips (2)\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eCase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eHead gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e422-11005K\u003c\/li\u003e\n\t\u003cli\u003e0931-0175\u003c\/li\u003e\n\t\u003cli\u003e733728\u003c\/li\u003e\n\t\u003cli\u003e4190\u003c\/li\u003e\n\t\u003cli\u003eHR11005K01\u003c\/li\u003e\n\t\u003cli\u003e77000-38\u003c\/li\u003e\n\t\u003cli\u003e12100-HP1-600\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 TRX450ER: 2006–2014\u003c\/li\u003e\n\t\u003cli\u003eHonda TRX450R: 2006–2013\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396970348810,"sku":"56-k118.099.k.w","price":688.58,"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-K118.099.K.W.jpg?v=1750759140"},{"product_id":"gasket-top-kit-07-09-rmz250-80-works-cyclinder-41003-g01","title":"GASKET TOP KIT 07-09 RMZ250 80, WORKS CYCLINDER 41003-G01","description":"\u003cp\u003eThe +3mm Big Bore Top-End Gasket Kit is designed for Suzuki RM-Z250 models with a 269cc big bore cylinder. This gasket kit ensures reliable sealing and compatibility with 80mm bore applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSpecifically designed for +3mm big bore applications.\u003c\/li\u003e\n\t\u003cli\u003eProvides all necessary gaskets for top-end assembly.\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: 80mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement compatibility: 269cc\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\u003eSuzuki RM-Z250: 2007–2009\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396971528458,"sku":"56-k129.80.gkw","price":87.34,"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-K129.80.GKW.jpg?v=1750759144"},{"product_id":"gasket-top-kit-68mm-07-18-crf150-cylinder-works-11004-g01","title":"GASKET TOP KIT 68mm 07-18 CRF150, CYLINDER WORKS 11004-G01","description":"\u003cp\u003eThe +2mm Big Bore Top-End Gasket Kit is designed for Honda CRF150R and CRF150RB models with a 68mm big bore cylinder. This gasket kit ensures reliable sealing and compatibility with 159cc big bore setups.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSpecifically designed for +2mm big bore applications (68mm bore).\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary gaskets for top-end assembly.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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: 68mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement compatibility: 159cc\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 CRF150R: 2007–2018\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF150RB: 2007–2018\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396971692298,"sku":"56-k116.68.gk","price":78.72,"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-K116.68.GK.jpg?v=1750759145"},{"product_id":"cylinder-kit-10-13-crf250-76-8-works-10007-k01","title":"CYLINDER KIT 10-13 CRF250 76.8, WORKS 10007-K01","description":"\u003cp\u003eThe Cylinder Works Standard Bore Cylinder Kit for the 2010–2013 Honda CRF250R offers a high-performance, direct bolt-on solution with OEM-level compatibility. Featuring a 76.8mm bore and 13.2:1 compression, this kit is engineered for durability and efficiency. The Nickel Silicon Carbide plating ensures long service life, while the precise honing facilitates seamless piston installation. This comprehensive kit includes all necessary components for installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on design, requiring no replating.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for enhanced durability and extended cylinder life.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact specifications for effortless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit with all necessary components for top-end rebuilds.\u003c\/li\u003e\n\t\u003cli\u003eMaintains OEM appearance and compatibility.\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: 76.8 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio: 13.2:1\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 249cc\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n\t\u003cli\u003eCylinder\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly\u003c\/li\u003e\n\t\u003cli\u003eTop-end gasket set\u003c\/li\u003e\n\u003c\/ol\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: 06111-KRN-A40\u003c\/li\u003e\n\t\u003cli\u003eHonda: 12100-KRN-A40\u003c\/li\u003e\n\t\u003cli\u003eHonda: 12191-KRN-A41\u003c\/li\u003e\n\t\u003cli\u003eHonda: 12251-KRN-A41\u003c\/li\u003e\n\t\u003cli\u003eHonda: 13011-KRN-A40\u003c\/li\u003e\n\t\u003cli\u003eHonda: 13101-KRN-A40\u003c\/li\u003e\n\t\u003cli\u003eHonda: 13111-KRN-A40\u003c\/li\u003e\n\t\u003cli\u003eHonda: 13112-MEE-000\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\u003eHonda CRF250R (2010–2013)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396972151050,"sku":"56-k134.768.work","price":523.21,"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-K134.768.WORK.jpg?v=1750759146"},{"product_id":"gasket-kit-top-06-09-ltr450-98mm-bore-41002-g01-lt-r450","title":"GASKET KIT TOP 06-09 LTR450, 98MM BORE 41002-G01, LT-R450","description":"\u003cp\u003eThe Big Bore Gasket Kit is specifically designed for Suzuki LT-R450 models with a 98mm bore and 474cc displacement. This top-end gasket kit ensures reliable sealing and compatibility for big bore applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDesigned for 98mm big bore (474cc) setups.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary gaskets for top-end assembly.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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\u003eSuzuki LT-R450: 2006–2009\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396972511498,"sku":"56-k130.098_gk","price":87.34,"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-K130.098_GK.jpg?v=1750759148"},{"product_id":"cylinder-kit-10-17-crf250-80mm-works-big-bore-270cc-11007-k01","title":"CYLINDER KIT 10-17 CRF250 80mm, WORKS BIG BORE 270cc 11007-K01","description":"\u003cp\u003eCYLINDER WORKS 11007-K01 Big Bore Cylinder Kit for Honda CRF250R (2010-2017) increases the displacement to 270cc with an 80.00mm bore and 13.2:1 compression ratio. Designed as a direct replacement, this kit provides a hassle-free alternative to replating worn or damaged cylinders, offering a ready-to-install solution. It matches OEM specifications in appearance and functionality, ensuring a precise fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig bore cylinder increases displacement to 270cc.\u003c\/li\u003e\n\t\u003cli\u003eBore size: 80.00mm with a compression ratio of 13.2:1.\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement for OEM cylinders, eliminating the need for replating.\u003c\/li\u003e\n\t\u003cli\u003eReady-to-install, with no additional modifications required.\u003c\/li\u003e\n\t\u003cli\u003eManufactured to match OEM design and 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\u003eDisplacement: 270cc\u003c\/li\u003e\n\t\u003cli\u003eBore size: 80.00mm\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 13.2:1\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\u003eHonda: 12100-KRN-A40\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\u003eHonda CRF250R (2010-2017)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396972773642,"sku":"56-k134.80.work","price":664.08,"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-K134.80.WORK.jpg?v=1750759148"},{"product_id":"gasket-top-kit-yzf450-10-13-99mm-works-cylinder-21005-g01-big-bore","title":"GASKET TOP KIT YZF450 10-13 99mm, WORKS CYLINDER 21005-G01 BIG BORE","description":"\u003cp\u003e\u003cstrong\u003eBig Bore Top End Gasket Kit (21005-G01)\u003c\/strong\u003e for Yamaha YZ450F (2010-2013) includes all necessary gaskets for the top-end rebuild of big bore cylinder kits. Designed to ensure a reliable seal, this kit provides compatibility with head, base, exhaust, and cam chain tensioner components, maintaining OEM standards for fit and performance.\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 gasket kit for big bore cylinder kits.\u003c\/li\u003e\n\t\u003cli\u003eIncludes head, base, exhaust, and cam chain tensioner gaskets.\u003c\/li\u003e\n\t\u003cli\u003ePrecision-engineered for compatibility with Yamaha YZ450F big bore applications.\u003c\/li\u003e\n\t\u003cli\u003eDesigned to meet or exceed OEM quality standards.\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\u003eHead gasket\u003c\/li\u003e\n\t\u003cli\u003eBase gasket\u003c\/li\u003e\n\t\u003cli\u003eExhaust gasket\u003c\/li\u003e\n\t\u003cli\u003eCam chain tensioner gasket\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 YZ450F (2010-2013)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396972839178,"sku":"56-K138.099.GKW","price":100.58,"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-K138.099.GKW.jpg?v=1750759148"},{"product_id":"cylinder-kit-07-09-rm-z-250-80-works-cyclinder-41003-k01","title":"CYLINDER KIT 07-09 RM-Z 250 80, WORKS CYCLINDER 41003-K01","description":"\u003cp\u003eThe Cylinder Works +3mm Big Bore Complete Cylinder Kit increases the displacement of Suzuki RM-Z250 models to 269cc. This direct bolt-on kit is engineered for seamless installation and provides OEM-like performance with enhanced power output.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 269cc with a +3mm big bore cylinder.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating ensures durability and long service life.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on installation; no replating or additional machining required.\u003c\/li\u003e\n\t\u003cli\u003ePrecisely honed for easy piston installation.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all necessary components for a complete top-end rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n\t\u003cli\u003eCylinder\u003c\/li\u003e\n\t\u003cli\u003eTop-end gasket set\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly (piston, rings, pin, clips)\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore size: 80mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 269cc\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 13.4:1\u003c\/li\u003e\n\t\u003cli\u003ePiston type: Vertex #23678\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eP400510100010\u003c\/li\u003e\n\t\u003cli\u003e0931-0350\u003c\/li\u003e\n\t\u003cli\u003e733851\u003c\/li\u003e\n\t\u003cli\u003eHR41003K01\u003c\/li\u003e\n\t\u003cli\u003e77002-13\u003c\/li\u003e\n\t\u003cli\u003e11211-10H00-0F0\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\u003eSuzuki RM-Z250: 2007–2009\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396973134090,"sku":"56-k129.80.ckw","price":727.96,"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-K129.80.CKW.jpg?v=1750759149"},{"product_id":"cylinder-kit-11-14-kx250f-80mm-works-cylinder-31006-k01-big-bore-kx250f-kawasaki","title":"CYLINDER KIT 11-14 KX250F 80mm, WORKS CYLINDER 31006-K01 BIG BORE, KX250F KAWASAKI","description":"\u003cp\u003e\u003cstrong\u003eCylinder Works +3mm Big Bore Complete Cylinder Kit (31006-K01)\u003c\/strong\u003e for Kawasaki KX250F (2011-2014) increases displacement to 269cc with an 80mm bore and a 13.5:1 compression ratio. This direct bolt-on kit is ready to install, requiring no replating or machining, and is engineered for durability and enhanced performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig bore cylinder increases displacement to 269cc (+3mm).\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 13.5:1.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for extended durability and reduced wear.\u003c\/li\u003e\n\t\u003cli\u003eHoned to precise dimensions for effortless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on design requires no additional machining or replating.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes all necessary components for 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\u003eDisplacement: 269cc\u003c\/li\u003e\n\t\u003cli\u003eBore size: +3mm (80mm)\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 13.5:1\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly: Vertex #23654\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\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin and clips\u003c\/li\u003e\n\t\u003cli\u003eGaskets\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\u003eKawasaki: 11005-0138\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\u003eKawasaki KX250F (2011-2014)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396973592842,"sku":"56-k146.80.ckw1","price":691.28,"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-K146.80.CKW1.jpg?v=1750759151"},{"product_id":"cylinder-only-09-15-kx450f-96mm-works-cylinder-30011-standard-bore-kx450f-kawasaki","title":"CYLINDER ONLY 09-15 KX450F 96mm, WORKS CYLINDER 30011 STANDARD BORE, KX450F KAWASAKI","description":"\u003cp\u003eCylinder Works Standard Bore 96mm Cylinder for the 2009-2015 Kawasaki KX450F is a direct bolt-on replacement that requires no re-plating. Designed to match OEM specifications, it features a Nickel Silicon Carbide plating for durability and performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on replacement with no re-plating required\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for extended lifespan\u003c\/li\u003e\n\t\u003cli\u003eStandard bore design for OEM compatibility\u003c\/li\u003e\n\t\u003cli\u003eBig bore cylinders do not require additional machine work (unless specified)\u003c\/li\u003e\n\t\u003cli\u003eManufactured in the U.S.A.\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: 96mm\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\u003eNot specified\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\u003e2009-2015 Kawasaki KX450F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396973822218,"sku":"56-k147.096.cw","price":389.22,"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-K147.096.CW.jpg?v=1750759152"},{"product_id":"cylinder-kit-yzf450-10-13-99mm-works-cylinder-21005-k01-big-bore","title":"CYLINDER KIT YZF450 10-13 99mm, WORKS CYLINDER 21005-K01 BIG BORE","description":"\u003cp\u003e+2mm Big Bore Complete Cylinder Kit (21005-K01) for Yamaha YZ450F (2010-2013) increases the displacement to 468cc with a 12.5:1 compression ratio. This direct bolt-on kit eliminates the need for replating, ensuring a quick and easy installation. Designed to match OEM appearance and functionality, the kit comes complete with all necessary components for a seamless upgrade.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIncreases displacement to 468cc with a +2mm bore.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on design requires no machining or replating.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plated for enhanced durability and long service life.\u003c\/li\u003e\n\t\u003cli\u003eHoned to precise dimensions for effortless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eIncludes all components for a complete 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\u003eDisplacement: 468cc\u003c\/li\u003e\n\t\u003cli\u003eBore size: +2mm\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 12.5:1\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly: Vertex #23655\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\u003eTop-end gasket set\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly (piston, rings, pin, and clips)\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\u003eYamaha: 33D-11311-00-00\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 YZ450F (2010-2013)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396973854986,"sku":"56-K138.099.CKW","price":817.49,"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-K138.099.CKW.jpg?v=1750759152"},{"product_id":"cylinder-kit-13-16-crf450-99mm-works-478cc-11006-k02","title":"CYLINDER KIT 13-16 CRF450 99mm, WORKS 478cc 11006-K02","description":"\u003cp\u003e\u003cstrong\u003eCylinder Works +3mm Big Bore Cylinder Kit (11006-K02)\u003c\/strong\u003e for Honda CRF450R (2013-2016) increases displacement to 478cc with a 12.5:1 compression ratio. This direct bolt-on kit is ready to install, requiring no replating or additional machining. Designed for reliability and performance, the kit features matched components to ensure compatibility and longevity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBig bore cylinder increases displacement to 478cc (+3mm).\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 12.5:1.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for enhanced durability and reduced wear.\u003c\/li\u003e\n\t\u003cli\u003eIncludes matched Vertex piston for optimal performance and reduced engine noise.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on design requires no machining or replating.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes gaskets, cylinder, piston, rings, pin, and clips.\u003c\/li\u003e\n\t\u003cli\u003eReplacement Vertex pistons, rings, pins, and clips available separately.\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA.\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: 478cc\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 12.5:1\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly: Vertex #23924\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\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin and clips\u003c\/li\u003e\n\t\u003cli\u003eGaskets\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\u003eHonda CRF450R (2013-2016)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396973887754,"sku":"56-k142.099.ckw2","price":697.33,"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-K142.099.CKW2.jpg?v=1750759152"},{"product_id":"cylinder-only-10-17-crf250-76-8-works-10007","title":"CYLINDER ONLY 10-17 CRF250 76.8, WORKS 10007","description":"\u003cp\u003eThe Works Standard Bore Cylinder for the 2010–2017 Honda CRF250R is a high-quality replacement designed for direct bolt-on installation. Engineered for performance and durability, it features Nickel Silicon Carbide plating and precise honing for a perfect fit. This cylinder provides a reliable OEM-style solution without the need for replating.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDirect bolt-on design; no replating required.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for enhanced durability and long service life.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact dimensions for easy and precise piston installation.\u003c\/li\u003e\n\t\u003cli\u003eMaintains an appearance nearly identical to the OEM cylinder.\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: 67.80 mm\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: 12100-KRN-A40\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\u003eHonda CRF250R (2010–2017)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396974149898,"sku":"56-k134.768.c.w","price":356.95,"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-K134.768.C.W.jpg?v=1750759153"},{"product_id":"cylinder-only-09-16-crf450-96m-works-std-10006","title":"CYLINDER ONLY 09-16 CRF450 96m, WORKS STD 10006","description":"\u003cp\u003eHonda CRF450R 2009 - 2016,\u003c\/p\u003e \u003cp\u003eCylinder Works STD Bore Cylinder ONLY 10006, 96mm BORE\u003c\/p\u003e \u003cp\u003eDirect bolt-on, ready-to-install cylinders; require no replating and look virtually identical to the OEM Nickel Silicon Carbide plated for long life Honed to exact size for easy piston installation Big bore cylinders do not require machine work (unless noted) Big bore cylinder kits come complete with gaskets, cylinder, piston, rings, pin and clips\u003c\/p\u003e \u003cp\u003ePart No.   56-K142.096.C.W   (oro2u.com)\u003c\/p\u003e \u003cp\u003eCross reference numbers ONLY. \u003cbr\u003eHONDA: 12100-MEN-A30 HONDA: 12100-MEN-A50\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e  \u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396974608650,"sku":"56-k142.096.c.w","price":380.58,"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-K142.096.C.W.jpg?v=1750759155"},{"product_id":"cylinder-kit-09-12-crf450-99mm-works-478cc-11006-k01","title":"CYLINDER KIT 09-12 CRF450 99mm, WORKS 478cc 11006-K01","description":"\u003cp\u003e\u003cstrong\u003eCylinder Works +3mm Big Bore Complete Cylinder Kit (11006-K01)\u003c\/strong\u003e for Honda CRF450R (2009-2012) increases displacement to 478cc with a 99mm bore and 12.0:1 compression ratio. This direct bolt-on kit is ready to install without requiring replating or additional machining. Built to deliver enhanced performance while maintaining OEM 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\u003eBig bore cylinder increases displacement to 478cc (+3mm).\u003c\/li\u003e\n\t\u003cli\u003eBore size: 99mm with a compression ratio of 12.0:1.\u003c\/li\u003e\n\t\u003cli\u003eNickel Silicon Carbide plating for extended durability.\u003c\/li\u003e\n\t\u003cli\u003eHoned to exact specifications for seamless piston installation.\u003c\/li\u003e\n\t\u003cli\u003eDirect bolt-on design requires no machining or replating.\u003c\/li\u003e\n\t\u003cli\u003eComplete kit includes gaskets, cylinder, piston, rings, pin, and clips.\u003c\/li\u003e\n\t\u003cli\u003eOptional use with Hot Rods #4193 increases displacement to 500cc.\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: 478cc\u003c\/li\u003e\n\t\u003cli\u003eBore size: 99mm\u003c\/li\u003e\n\t\u003cli\u003eCompression ratio: 12.0:1\u003c\/li\u003e\n\t\u003cli\u003ePiston assembly: Vertex #23534\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\u003eRings\u003c\/li\u003e\n\t\u003cli\u003ePin and clips\u003c\/li\u003e\n\t\u003cli\u003eGaskets\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: 12100-MEN-A30\u003c\/li\u003e\n\t\u003cli\u003eHonda: 12100-MEN-A50\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\u003eHonda CRF450R (2009-2012)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":51396974903562,"sku":"56-k142.099.ckw1","price":662.34,"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-K142.099.CKW1.jpg?v=1750759156"}],"url":"https:\/\/2bros-mx.com\/collections\/cylinder-works.oembed?page=5","provider":"2bros-mx.com","version":"1.0","type":"link"}