{"product_id":"ref-56-k108-98-ckw","title":"CYLINDER WORKS B\/B CYLINDER KIT YAM YZ450F 06-09, WR450F 07-15, YFZ450\/R\/X 09-23","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\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  \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003e(+3mm Big Bore Kit) increases engine displacement to 478cc.\u003c\/li\u003e \t\u003cli\u003eDirect bolt-on design, requiring no replating or additional machining.\u003c\/li\u003e \t\u003cli\u003eNickel Silicon Carbide plated cylinder for long-lasting performance.\u003c\/li\u003e \t\u003cli\u003ePrecisely honed to exact specifications for easy piston installation.\u003c\/li\u003e \t\u003cli\u003eComplete kit includes all gaskets and components for a seamless rebuild.\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eIncluded Items:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eCylinder\u003c\/li\u003e \t\u003cli\u003ePiston\u003c\/li\u003e \t\u003cli\u003eWrist pin\u003c\/li\u003e \t\u003cli\u003e(2) Cir-clips\u003c\/li\u003e \t\u003cli\u003eTop ring\u003c\/li\u003e \t\u003cli\u003e(2) Oil rings\u003c\/li\u003e \t\u003cli\u003eSpacer ring\u003c\/li\u003e \t\u003cli\u003eCylinder head gasket\u003c\/li\u003e \t\u003cli\u003eCylinder gasket\u003c\/li\u003e \t\u003cli\u003eExhaust gasket\u003c\/li\u003e \t\u003cli\u003eCase gasket\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Compatibility:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003e\n\u003cstrong\u003eYamaha YZ450F:\u003c\/strong\u003e 2006–2009, including the 2006 YZ450FSP 50th Anniversary Edition\u003c\/li\u003e \t\u003cli\u003e\n\u003cstrong\u003eYamaha WR450F:\u003c\/strong\u003e 2007–2015\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003e422-21003K\u003c\/li\u003e \t\u003cli\u003e0931-0174\u003c\/li\u003e \t\u003cli\u003e733826\u003c\/li\u003e \t\u003cli\u003e2792\u003c\/li\u003e \t\u003cli\u003eHR21003K01\u003c\/li\u003e \t\u003cli\u003e77003-25\u003c\/li\u003e \t\u003cli\u003e2S2-11311-00-00\u003c\/li\u003e \t\u003cli\u003e2S2-11311-10-00\u003c\/li\u003e \t\u003cli\u003eK8562D300-1ZA\u003c\/li\u003e \t\u003cli\u003eWT400485100021\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003eMajority of our listings are for a direct replacement for your original part.\u003c\/p\u003e\n\u003cp\u003eOur parts are made of quality and are designed to meet or exceed the original OEM Standards.\u003c\/p\u003e\n\u003cp\u003eOur products are often a cost effective alternative to genuine OEM Parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003ethe models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"AW Motorcycle Parts","offers":[{"title":"Default Title","offer_id":55594594238838,"sku":"REF 56-K108.98.CKW","price":711.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock51570_1.jpg?v=1746696047","url":"https:\/\/n0jgtc-nz.myshopify.com\/products\/ref-56-k108-98-ckw","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}