{"product_id":"cylinder-works-20009-k02-standard-bore-cylinder-kit-for-1999-2008-yamaha-yz250","title":"Cylinder Works 20009-K02 Standard Bore Cylinder Kit for 1999–2008 Yamaha YZ250","description":"\u003cp\u003eRefresh the top end of your two-stroke motocross bike with the Cylinder Works 20009-K02 Standard Bore Cylinder Kit. Designed for 1999–2008 Yamaha YZ250 models, this complete replacement kit includes the cylinder, piston kit, and gaskets needed for a dependable engine rebuild. The standard-bore configuration is intended as a direct replacement for the original cylinder and is designed to restore consistent performance without requiring additional machine work.\u003c\/p\u003e\u003cp\u003eThe Cylinder Works cylinder is finished with a nickel silicon carbide plating for extended service life, improved wear resistance, and reliable heat management. Its stock-style appearance allows it to integrate cleanly with the factory engine configuration. The kit is matched with a Vertex piston to support durability, strong performance, and reduced engine noise during operation. The included top-end gasket kit does not include valve stem seals.\u003c\/p\u003e\u003cp\u003eUse the Cylinder Works 20009-K02 as a replacement standard-bore top-end solution for compatible Yamaha YZ250 applications. Replacement piston, gasket, and ring sets are also available separately for future maintenance. Always verify the motorcycle model year and engine configuration before installation to ensure proper fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 1999–2008 Yamaha YZ250\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 20009-K02\u003cbr\u003e\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e 20009-K02\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete standard-bore cylinder kit\u003c\/li\u003e\n\u003cli\u003eIncludes cylinder, piston kit, and gaskets\u003c\/li\u003e\n\u003cli\u003eMatched with a Vertex piston for durability, performance, and reduced engine noise\u003c\/li\u003e\n\u003cli\u003eNickel silicon carbide plated cylinder for extended service life\u003c\/li\u003e\n\u003cli\u003eStock-style cylinder appearance\u003c\/li\u003e\n\u003cli\u003eDesigned as a replacement cylinder for standard-bore applications\u003c\/li\u003e\n\u003cli\u003eNo additional machine work required for installation\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 1999–2008 Yamaha YZ250 models\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":67551701139691,"sku":"422-20009K2","price":1097.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2707-64481e8a114f5.jpg?v=1790721428","url":"https:\/\/ctracingservices.com\/products\/cylinder-works-20009-k02-standard-bore-cylinder-kit-for-1999-2008-yamaha-yz250","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}