{"product_id":"cylinder-works-yamaha-yz250fx-yz250f-wr250f-77mm-standard-bore-cylinder-kit-with-high-compression-13-5-1","title":"CYLINDER WORKS Yamaha YZ250FX, YZ250F, WR250F 77mm Standard Bore Cylinder Kit with High Compression 13.5:1","description":"\u003cp\u003eUpgrade your Yamaha motocross or enduro bike with the Cylinder Works Yamaha YZ250FX, YZ250F, and WR250F 77mm standard bore cylinder kit, designed for optimal performance and durability. This kit includes a cylinder, piston kit, and gaskets, providing a comprehensive solution for engine rebuilding or enhancement. The cylinder's nickel silicon carbide plating ensures longer life and resistance to wear, making it suitable for demanding riding conditions. Designed to look just like the stock cylinder, it offers a seamless fit and easy installation, with no machine work required for standard bore applications. The high compression 13.5:1 ratio enhances power output, delivering improved acceleration and top-end performance. Matched with Vertex pistons, this kit ensures longevity, reduces engine noise, and maintains engine integrity over time. Additionally, replacement pistons, gasket sets, and ring sets are available for maintenance and repairs, allowing you to keep your bike running at peak performance. Whether you're restoring an older model or upgrading for racing, this complete kit offers a reliable, high-quality upgrade that aligns with OEM specifications and enhances your motorcycle's engine efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eComplete standard bore kits for Yamaha YZ250FX, YZ250F, WR250F\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh compression kits with 13.5:1 ratio for increased power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBig bore kits available for enhanced performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes cylinder, piston kit, and gaskets for comprehensive rebuild\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNickel silicon carbide plating for extended cylinder life\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNo machine work needed for standard bore applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMatched with Vertex pistons to ensure longevity and reduce noise\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCylinder maintains stock appearance for seamless compatibility\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReplacement pistons, gasket, and ring sets available for maintenance\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha WR250F 2015\u003cbr\u003e\nYamaha WR250F 2016\u003cbr\u003e\nYamaha WR250F 2017\u003cbr\u003e\nYamaha YZ250F 2014\u003cbr\u003e\nYamaha YZ250F 2015\u003cbr\u003e\nYamaha YZ250FX 2015\u003cbr\u003e\nYamaha YZ250FX 2016","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":54032707649731,"sku":"422-20010K","price":750.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/1b8f-572a689b8c903.jpg?v=1781434584","url":"https:\/\/kellymotorsport.com\/products\/cylinder-works-yamaha-yz250fx-yz250f-wr250f-77mm-standard-bore-cylinder-kit-with-high-compression-13-5-1","provider":"Kelly Motorsports","version":"1.0","type":"link"}