The 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.
The 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.
Manufacturer 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.
Features:
- Crankshaft Installation Kit: Includes the key components needed to complete crankshaft installation.
- Crankshaft Options: Offers a choice between a Hot Rods Heavy Duty OE replacement crankshaft and a Hot Rods Heavy Duty stroker crankshaft.
- Main Bearings and Seals: Includes Hot Rods main bearings and seals for bottom-end assembly.
- Complete Gasket Set: Provides the gaskets and seals required for a complete engine rebuild.
- Fitment: Compatible with 2003–2012 Yamaha YZ250F models.
- Brand: Hot Rods.
- Manufacturer Part Number: CBK0139.
- Vendor Part Number: CBK0139.
Fitment:
2003 Yamaha YZ250F
2004 Yamaha YZ250F
2005 Yamaha YZ250F
2006 Yamaha YZ250F
2007 Yamaha YZ250F
2008 Yamaha YZ250F
2009 Yamaha YZ250F
2010 Yamaha YZ250F
2011 Yamaha YZ250F
2012 Yamaha YZ250F
2013 Yamaha YZ250F