{"product_id":"cylinder-works-20009-k01-standard-bore-cylinder-kit-for-yamaha-yz250","title":"Cylinder Works 20009-K01 Standard Bore Cylinder Kit for Yamaha YZ250","description":"\u003cp\u003eThe Cylinder Works 20009-K01 Cylinder Kit is a complete standard-bore top-end replacement designed for Yamaha YZ250 two-stroke motorcycles from 1999 through 2008. This kit includes the cylinder, matched piston kit, piston rings, and required gaskets for a dependable engine rebuild. Its standard-bore configuration is intended as a direct replacement for the original cylinder, helping restore performance without requiring additional machine work.\u003c\/p\u003e\u003cp\u003eManufactured by Cylinder Works and supplied under vendor part number 20009-K01, the cylinder is nickel-silicon-carbide plated for extended service life, consistent heat transfer, and durable performance. The exterior is designed to closely match the stock appearance, making it a practical choice for repairs, maintenance, or restoration applications. The included Vertex piston is matched to the cylinder to support longevity, performance, and reduced engine noise.\u003c\/p\u003e\u003cp\u003eFitment includes 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, and 2008 Yamaha YZ250 models. The top-end gasket kit does not include valve stem seals, so those seals should be inspected and replaced separately as needed. Replacement piston, gasket, and ring sets are available for future servicing. Verify the motorcycle year and standard-bore application before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete standard-bore cylinder kit for Yamaha YZ250 models\u003c\/li\u003e\n\u003cli\u003eIncludes cylinder, Vertex piston kit, piston rings, and gaskets\u003c\/li\u003e\n\u003cli\u003eNickel-silicon-carbide plating helps provide extended cylinder life\u003c\/li\u003e\n\u003cli\u003eMatched Vertex piston supports longevity, performance, and reduced engine noise\u003c\/li\u003e\n\u003cli\u003eStock-style cylinder appearance\u003c\/li\u003e\n\u003cli\u003eStandard-bore replacement requires no machine work in typical installation\u003c\/li\u003e\n\u003cli\u003eTop-end gasket kit does not include valve stem seals\u003c\/li\u003e\n\u003cli\u003eReplacement piston, gasket, and ring sets are available\u003c\/li\u003e\n\u003cli\u003eFits 1999-2008 Yamaha YZ250 motorcycles\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1999 Yamaha YZ250\u003cbr\u003e\n2000 Yamaha YZ250\u003cbr\u003e\n2001 Yamaha YZ250\u003cbr\u003e\n2002 Yamaha YZ250\u003cbr\u003e\n2003 Yamaha YZ250\u003cbr\u003e\n2004 Yamaha YZ250\u003cbr\u003e\n2005 Yamaha YZ250\u003cbr\u003e\n2006 Yamaha YZ250\u003cbr\u003e\n2007 Yamaha YZ250\u003cbr\u003e\n2008 Yamaha YZ250\u003cbr\u003e\n2009 Yamaha YZ250\u003cbr\u003e\n2010 Yamaha YZ250\u003cbr\u003e\n2011 Yamaha YZ250\u003cbr\u003e\n2012 Yamaha YZ250\u003cbr\u003e\n2013 Yamaha YZ250\u003cbr\u003e\n2014 Yamaha YZ250\u003cbr\u003e\n2015 Yamaha YZ250\u003cbr\u003e\n2016 Yamaha YZ250\u003cbr\u003e\n2017 Yamaha YZ250\u003cbr\u003e\n2018 Yamaha YZ250\u003cbr\u003e\n2019 Yamaha YZ250\u003cbr\u003e\n2020 Yamaha YZ250\u003cbr\u003e\n2021 Yamaha YZ250\u003cbr\u003e\n2022 Yamaha YZ250\u003cbr\u003e\n2023 Yamaha YZ250\u003cbr\u003e\n2024 Yamaha YZ250\u003cbr\u003e\n2025 Yamaha YZ250","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":67551701860587,"sku":"422-20009K","price":779.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/d79a-6499e3b59a626.jpg?v=1790721492","url":"https:\/\/ctracingservices.com\/products\/cylinder-works-20009-k01-standard-bore-cylinder-kit-for-yamaha-yz250","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}