{"product_id":"cylinder-works-20002-k01-77-00-mm-standard-bore-high-compression-cylinder-kit-for-yamaha-yz250f-and-wr250f","title":"Cylinder Works 20002-K01 77.00 mm Standard Bore High-Compression Cylinder Kit for Yamaha YZ250F and WR250F","description":"\u003cp\u003eUpgrade the top end of your compatible Yamaha four-stroke with the Cylinder Works 20002-K01 standard bore high-compression cylinder kit. Designed for a 77.00 mm bore and a 12.7:1 compression ratio, this complete kit includes the cylinder, piston kit, and required gaskets for a reliable engine rebuild. The cylinder maintains a stock-style appearance while providing the durability and performance expected from Cylinder Works components.\u003c\/p\u003e\u003cp\u003eEach kit is matched with a Vertex piston to support long service life, consistent performance, and reduced engine noise. The cylinder features a nickel silicon carbide plating process that helps improve wear resistance and longevity. No machine work is needed for installation when used with the appropriate application and supporting components. The included top-end gasket kit does not include valve stem seals, so inspect existing seals and replace them as required during installation.\u003c\/p\u003e\u003cp\u003eThis Cylinder Works kit fits 2001–2004 Yamaha YZ250F models and 2001–2004 Yamaha WR250F models, including the 2001 Yamaha YZ250F, 2002 Yamaha YZ250F, 2003 Yamaha YZ250F, 2004 Yamaha YZ250F, 2001 Yamaha WR250F, 2002 Yamaha WR250F, 2003 Yamaha WR250F, and 2004 Yamaha WR250F. Replacement pistons, gaskets, and ring sets are available separately for future service needs. Confirm model year, bore specification, and engine configuration before ordering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete 77.00 mm standard bore high-compression cylinder kit\u003c\/li\u003e\n\u003cli\u003e12.7:1 compression ratio for compatible Yamaha applications\u003c\/li\u003e\n\u003cli\u003eIncludes cylinder, Vertex piston kit, and gaskets\u003c\/li\u003e\n\u003cli\u003eNickel silicon carbide-plated cylinder for improved durability and longer service life\u003c\/li\u003e\n\u003cli\u003eStock-style cylinder appearance\u003c\/li\u003e\n\u003cli\u003eMatched piston and cylinder design helps reduce engine noise\u003c\/li\u003e\n\u003cli\u003eNo machine work needed for the specified applications\u003c\/li\u003e\n\u003cli\u003eTop-end gasket kit does not include valve stem seals\u003c\/li\u003e\n\u003cli\u003eReplacement pistons, gaskets, and ring sets available\u003c\/li\u003e\n\u003cli\u003eFits 2001–2004 Yamaha YZ250F and 2001–2004 Yamaha WR250F models\u003c\/li\u003e\n\u003cli\u003eBrand: Cylinder Works\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 20002-K01\u003c\/li\u003e\n\u003cli\u003eVendor part number: 422-20002K\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2001 Yamaha WR250F\u003cbr\u003e\n2001 Yamaha YZ250F\u003cbr\u003e\n2002 Yamaha WR250F\u003cbr\u003e\n2002 Yamaha YZ250F\u003cbr\u003e\n2003 Yamaha WR250F\u003cbr\u003e\n2003 Yamaha YZ250F\u003cbr\u003e\n2004 Yamaha WR250F\u003cbr\u003e\n2004 Yamaha YZ250F","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":67551711330539,"sku":"422-20002K","price":695.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/8beb-5a58eecfaa998.jpg?v=1790722172","url":"https:\/\/ctracingservices.com\/products\/cylinder-works-20002-k01-77-00-mm-standard-bore-high-compression-cylinder-kit-for-yamaha-yz250f-and-wr250f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}