{"product_id":"cylinder-works-yamaha-yz450f-wr450f-2014-2018-big-bore-cylinder-kit-part-21005-k02","title":"CYLINDER WORKS Yamaha YZ450F \u0026 WR450F 2014-2018 Big Bore Cylinder Kit Part #21005-K02","description":"\u003cp\u003eUpgrade your Yamaha YZ450F or WR450F with the Cylinder Works Big Bore Cylinder Kit, designed specifically for models from 2014 to 2018. This kit features a complete assembly that includes a cylinder, piston kit, and gaskets, providing a comprehensive solution for enhancing engine performance. The cylinder maintains a stock appearance but is nickel silicon carbide plated for increased durability and longer service life, ensuring your motorcycle runs smoothly under demanding conditions. No machine work is needed for installation, making this upgrade straightforward for experienced DIY enthusiasts or professional mechanics.\u003cbr\u003eDesigned to improve power output and engine longevity, this kit is matched with Vertex pistons to reduce engine noise and promote reliable performance. The kit is compatible with standard bore applications and includes all necessary components except for valve stem seals, which are not included in the top end gasket set. Replacement pistons, gaskets, and ring sets are available separately, providing flexibility for ongoing maintenance or further upgrades. This product is an ideal choice for riders seeking to increase their bike’s displacement by 2.0mm, boosting compression ratio to 12.5:1 for improved throttle response and acceleration.\u003cbr\u003eBuilt with quality materials and precision manufacturing, the cylinder is nickel silicon carbide plated for longer life and resistance to wear. It fits directly onto existing engine components, ensuring a secure fit and optimal performance without extensive modifications. Perfect for Yamaha enthusiasts committed to maintaining high performance standards, this kit offers a reliable upgrade path to enhance your motorcycle's power and durability for many rides to come.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eComplete standard bore kits for Yamaha YZ450F and WR450F (2014-2018)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes cylinder, piston kit, and gaskets for a comprehensive upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNickel silicon carbide plated cylinder for increased durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNo machine work required for installation\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\u003eHigh compression kit with 12.5:1 ratio for improved performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to fit standard bore applications only\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReplacement pistons, gaskets, and ring sets available separately\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha WR450F 2016\u003cbr\u003e\nYamaha WR450F 2017\u003cbr\u003e\nYamaha WR450F 2018\u003cbr\u003e\nYamaha YZ450F 2014\u003cbr\u003e\nYamaha YZ450F 2015\u003cbr\u003e\nYamaha YZ450F 2016\u003cbr\u003e\nYamaha YZ450F 2017\u003cbr\u003e\nYamaha YZ450FX  2017\u003cbr\u003e\nYamaha YZ450FX 2016\u003cbr\u003e\nYamaha YZ450FX 2018","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":54032699392195,"sku":"422-21005K2","price":901.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/d301-572a689c09105.jpg?v=1781433905","url":"https:\/\/kellymotorsport.com\/products\/cylinder-works-yamaha-yz450f-wr450f-2014-2018-big-bore-cylinder-kit-part-21005-k02","provider":"Kelly Motorsports","version":"1.0","type":"link"}