{"product_id":"cylinder-works-97-00-mm-standard-bore-12-8-1-high-compression-cylinder-kit-for-yamaha-yz450f-yz450fx-and-wr450f","title":"Cylinder Works 97.00 mm Standard Bore 12.8:1 High-Compression Cylinder Kit for Yamaha YZ450F, YZ450FX and WR450F","description":"\u003cp\u003eUpgrade the top end of your Yamaha performance engine with the Cylinder Works CW20012K01 97.00 mm standard bore high-compression cylinder kit. Designed with a 12.8:1 compression ratio, this complete kit includes the cylinder, matched piston kit and required gaskets for a reliable replacement or performance-focused rebuild. The cylinder maintains a stock-like appearance while providing durable construction for demanding riding conditions.\u003c\/p\u003e\u003cp\u003eEach Cylinder Works 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 durability and wear resistance. No machine work is needed for installation when used with the specified standard-bore application, simplifying the top-end service process. The top-end gasket kit is included but does not contain valve stem seals.\u003c\/p\u003e\u003cp\u003eDesigned for fitment on select Yamaha models, this kit fits the 2018 Yamaha YZ450F, 2019 Yamaha YZ450F, 2019-2020 Yamaha YZ450FX and 2019-2020 Yamaha WR450F. Verify model year, engine specifications and compression requirements before installation. Cylinder Works also offers replacement pistons, gaskets and ring sets to support future maintenance. Manufacturer part number CW20012K01 and vendor part number 422-20012K identify this complete standard-bore cylinder kit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete 97.00 mm standard-bore high-compression cylinder kit\u003c\/li\u003e\n\u003cli\u003e12.8:1 compression ratio for improved engine performance\u003c\/li\u003e\n\u003cli\u003eIncludes cylinder, Vertex piston kit and gaskets\u003c\/li\u003e\n\u003cli\u003eNickel silicon carbide plated cylinder for extended service life\u003c\/li\u003e\n\u003cli\u003eStock-like cylinder appearance\u003c\/li\u003e\n\u003cli\u003eMatched Vertex piston helps support longevity, performance and reduced engine noise\u003c\/li\u003e\n\u003cli\u003eNo machine work needed for the specified application\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 are available\u003c\/li\u003e\n\u003cli\u003eFits 2018 Yamaha YZ450F, 2019 Yamaha YZ450F, 2019-2020 Yamaha YZ450FX and 2019-2020 Yamaha WR450F\u003c\/li\u003e\n\u003cli\u003eBrand: Cylinder Works\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: CW20012K01\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 422-20012K\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2018 Yamaha YZ450F\u003cbr\u003e\n2019 Yamaha WR450F\u003cbr\u003e\n2019 Yamaha YZ450F\u003cbr\u003e\n2019 Yamaha YZ450FX\u003cbr\u003e\n2020 Yamaha WR450F\u003cbr\u003e\n2020 Yamaha YZ450FX","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":67551697076459,"sku":"422-20012K","price":730.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/0d26-5db8613bc0e85.jpg?v=1790721138","url":"https:\/\/ctracingservices.com\/products\/cylinder-works-97-00-mm-standard-bore-12-8-1-high-compression-cylinder-kit-for-yamaha-yz450f-yz450fx-and-wr450f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}