{"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\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"Cylinder Works","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=1783508538","url":"https:\/\/www.awmotorcycleparts.co.uk\/products\/ref-56-k108-98-ckw","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}