{"product_id":"hot-rods-cbk0139-bottom-end-kit-for-yamaha-yz250f","title":"Hot Rods CBK0139 Bottom End Kit for Yamaha YZ250F","description":"Hot Rods Bottom End kits include everything needed to complete crankshaft installation.\n\u003cp\u003eThe Hot Rods CBK0139 Bottom End Kit provides the essential components needed for crankshaft installation and a complete lower-engine rebuild. Designed for reliable service and consistent fitment, this kit is a practical choice for rebuilding the bottom end of compatible Yamaha YZ250F engines.\u003c\/p\u003e\u003cp\u003eThe kit includes a choice of Hot Rods Heavy Duty OE replacement or Heavy Duty stroker crankshaft configurations, along with Hot Rods main bearings and seals. A complete engine gasket set is also included, supplying the gaskets and seals required for a comprehensive engine rebuild. Components are selected to support proper assembly and dependable performance when installed according to the manufacturer’s procedures.\u003c\/p\u003e\u003cp\u003eManufacturer part number CBK0139 and vendor part number CBK0139 identify this Hot Rods bottom end kit. It fits 2003–2012 Yamaha YZ250F models, including 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, and 2012 applications. Verify the motorcycle year and engine configuration before installation to ensure the correct crankshaft option and component compatibility.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCrankshaft Installation Kit: Includes the key components needed to complete crankshaft installation.\u003c\/li\u003e\n\u003cli\u003eCrankshaft Options: Offers a choice between a Hot Rods Heavy Duty OE replacement crankshaft and a Hot Rods Heavy Duty stroker crankshaft.\u003c\/li\u003e\n\u003cli\u003eMain Bearings and Seals: Includes Hot Rods main bearings and seals for bottom-end assembly.\u003c\/li\u003e\n\u003cli\u003eComplete Gasket Set: Provides the gaskets and seals required for a complete engine rebuild.\u003c\/li\u003e\n\u003cli\u003eFitment: Compatible with 2003–2012 Yamaha YZ250F models.\u003c\/li\u003e\n\u003cli\u003eBrand: Hot Rods.\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: CBK0139.\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: CBK0139.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2003 Yamaha YZ250F\u003cbr\u003e\n2004 Yamaha YZ250F\u003cbr\u003e\n2005 Yamaha YZ250F\u003cbr\u003e\n2006 Yamaha YZ250F\u003cbr\u003e\n2007 Yamaha YZ250F\u003cbr\u003e\n2008 Yamaha YZ250F\u003cbr\u003e\n2009 Yamaha YZ250F\u003cbr\u003e\n2010 Yamaha YZ250F\u003cbr\u003e\n2011 Yamaha YZ250F\u003cbr\u003e\n2012 Yamaha YZ250F\u003cbr\u003e\n2013 Yamaha YZ250F","brand":"HOT RODS","offers":[{"title":"Default Title","offer_id":67552274055403,"sku":"421-0139","price":658.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/932e-572a68943e3b0_63cb0d14-5d9e-48b6-bbee-86737432c585.jpg?v=1790737605","url":"https:\/\/ctracingservices.com\/products\/hot-rods-cbk0139-bottom-end-kit-for-yamaha-yz250f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}