{"product_id":"cylinder-kit-big-bore-3mm-478cc-for-yamaha-yfz450","title":"Cylinder Kit (Big Bore +3mm 478cc) for Yamaha YFZ450","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\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on design; no replating required.\u003c\/li\u003e\n\u003cli\u003eNickel Silicon Carbide plating ensures long cylinder life.\u003c\/li\u003e\n\u003cli\u003eHoned to precise dimensions for easy piston installation.\u003c\/li\u003e\n\u003cli\u003eBig bore upgrade requires no machining unless specified.\u003c\/li\u003e\n\u003cli\u003eComplete kit includes all necessary components for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIncluded Items\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBig bore cylinder (+3mm)\u003c\/li\u003e\n\u003cli\u003ePiston\u003c\/li\u003e\n\u003cli\u003eRing set\u003c\/li\u003e\n\u003cli\u003eTwo circlips\u003c\/li\u003e\n\u003cli\u003eGasket set\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003cp\u003eDisplacement: 468cc for 2004–2005 models; 478cc for 2006–2012 models\u003cbr\u003eCompression: Standard\u003cbr\u003eCompatible Piston: Vertex #23403\u003c\/p\u003e\n\u003cp\u003eCompatible with:\u003cbr\u003eYamaha YFZ450 2004-’09, 2012-‘13\u003cbr\u003e\u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":53947237957973,"sku":"CW23001-K01","price":462.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/0528\/0085\/files\/CW23001-K0111.webp?v=1779098140","url":"https:\/\/tradeparts.aceatv.co.uk\/products\/cylinder-kit-big-bore-3mm-478cc-for-yamaha-yfz450","provider":"Ace ATV Trade (Parts)","version":"1.0","type":"link"}