{"product_id":"cylinder-works-yamaha-yfz450r-big-bore-cylinder-kit-with-piston-and-gaskets","title":"CYLINDER WORKS Yamaha YFZ450R Big Bore Cylinder Kit with Piston and Gaskets","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eUpgrade your Yamaha YFZ450R ATV with the CYLINDER WORKS Part Number 21003-K02 Big Bore Cylinder Kit designed for enhanced performance and durability. This comprehensive kit includes a precisely engineered cylinder, high-performance piston, and gasket set, providing an excellent solution for restoring or boosting your engine's power. The cylinder features a nickel silicon carbide plating, which significantly extends its lifespan and maintains optimal performance under demanding conditions. Built to resemble stock dimensions, this cylinder ensures a perfect fit without the need for machining, simplifying installation and reducing downtime. The kit's matched components, including Vertex pistons, are selected to reduce engine noise, improve longevity, and maximize power output, making it ideal for serious ATV enthusiasts seeking reliable upgrades. It is compatible with several Yamaha YFZ450R models from 2009 through 2017, as well as the YFZ450X from 2010, ensuring a broad fitment range. Whether you're rebuilding your ATV or looking for a performance boost, this kit offers a straightforward, high-quality solution to enhance your vehicle's engine efficiency and lifespan.\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\u003eHigh compression kits for increased power output\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBig Bore Kits for significant performance upgrades\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes cylinder, piston kit, and gaskets for comprehensive rebuilds\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTop end gasket kit excludes valve stem seals for targeted repairs\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMatched with Vertex pistons to ensure longevity, performance, and reduced engine noise\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReplacement piston, gasket, and ring sets available for maintenance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCylinder designed to look just like stock for seamless fitment\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\u003eReplacement cylinder compatible with standard bore only\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eProduct Type: Engine\n\u003cbr\u003eSegment: ATV\/UTV\n\u003cbr\u003eDivision: Engine\n\u003cbr\u003eClass: Cylinder Kits \u0026amp; Components\n\u003cbr\u003eSub Class: Cylinder \u0026amp; Cylinder Kits\u003c\/p\u003e\n\n\u003cp\u003eFITMENT:\n\u003cbr\u003e2009 Yamaha YFZ450R\n\u003cbr\u003e2010 Yamaha YFZ450R\n\u003cbr\u003e2010 Yamaha YFZ450X\n\u003cbr\u003e2011 Yamaha YFZ450R\n\u003cbr\u003e2011 Yamaha YFZ450X\n\u003cbr\u003e2012 Yamaha YFZ450R\n\u003cbr\u003e2013 Yamaha YFZ450R\n\u003cbr\u003e2014 Yamaha YFZ450R\n\u003cbr\u003e2015 Yamaha YFZ450R\n\u003cbr\u003e2016 Yamaha YFZ450R\n\u003cbr\u003e2017 Yamaha YFZ450R\u003c\/p\u003e","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":47676361900189,"sku":"422-21003K2","price":873.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/9242\/8957\/files\/9e86-5a58f74cb774b.jpg?v=1771967201","url":"https:\/\/thepartjungle.com\/products\/cylinder-works-yamaha-yfz450r-big-bore-cylinder-kit-with-piston-and-gaskets","provider":"The Part Jungle","version":"1.0","type":"link"}