{"product_id":"cylinder-works-yamaha-yfz450r-yfz450x-complete-standard-bore-cylinder-kit-part-21003-k02","title":"CYLINDER WORKS Yamaha YFZ450R \u0026 YFZ450X Complete Standard Bore Cylinder Kit Part 21003-K02","description":"\u003cp\u003eUpgrade your Yamaha YFZ450R or YFZ450X with the Cylinder Works complete standard bore cylinder kit, designed for optimal performance and durability. This kit includes a high-quality cylinder, piston kit, and gaskets, providing everything needed for a comprehensive rebuild or upgrade. The cylinder features a nickel silicon carbide plating for enhanced longevity and resistance to wear, ensuring your engine remains dependable even under demanding conditions. Additionally, the design closely resembles the stock cylinder, making installation straightforward without requiring machine work, which saves time and expense.\u003cbr\u003eThe kit is available in various configurations, including standard bore, high compression, and big bore options, allowing you to tailor your ATV's performance to your riding style. Matched with Vertex pistons, these components work together to maximize engine performance, reduce noise, and extend engine life. The top end gasket kit does not include valve stem seals, so additional parts may be needed for a complete rebuild. Replacement pistons, gaskets, and ring sets are also available to facilitate ongoing maintenance or upgrades.\u003cbr\u003eThis cylinder kit is specifically designed for models from 2009 through 2017 Yamaha YFZ450R and the 2010 Yamaha YFZ450X, ensuring perfect fitment and compatibility. Its no-machine-work-needed installation process makes it an ideal choice for enthusiasts and professionals alike seeking a reliable upgrade that restores engine performance while maintaining the stock look. Whether you're restoring your ATV or enhancing its power, the Cylinder Works Yamaha YFZ450R \u0026amp; YFZ450X cylinder kit offers a durable, performance-oriented solution that stands the test of time.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eComplete standard bore kits for Yamaha YFZ450R and YFZ450X\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eComplete standard bore high compression kits for enhanced power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eComplete Big Bore Kits for increased displacement\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes cylinder, piston kit, and gaskets for a full rebuild\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTop end gasket kit does not include valve stem seals\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMatched with Vertex pistons to ensure longevity and reduce engine noise\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReplacement piston, gaskets, and ring sets available for maintenance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCylinder maintains stock appearance for seamless installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNickel silicon carbide plating for longer service life\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNo machine work needed for installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned as a replacement cylinder for standard bore only\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha YFZ450R 2009\u003cbr\u003e\nYamaha YFZ450R 2010\u003cbr\u003e\nYamaha YFZ450R 2011\u003cbr\u003e\nYamaha YFZ450R 2012\u003cbr\u003e\nYamaha YFZ450R 2013\u003cbr\u003e\nYamaha YFZ450R 2014\u003cbr\u003e\nYamaha YFZ450R 2015\u003cbr\u003e\nYamaha YFZ450R 2016\u003cbr\u003e\nYamaha YFZ450R 2017\u003cbr\u003e\nYamaha YFZ450X 2010\u003cbr\u003e\nYamaha YFZ450X 2011","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":54032699457731,"sku":"422-21003K2","price":873.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/9e86-5a58f74cb774b.jpg?v=1781433915","url":"https:\/\/kellymotorsport.com\/products\/cylinder-works-yamaha-yfz450r-yfz450x-complete-standard-bore-cylinder-kit-part-21003-k02","provider":"Kelly Motorsports","version":"1.0","type":"link"}