The Hot Rods CBK0135 Bottom End Kit is designed to provide the essential components needed for crankshaft installation and a complete lower-engine rebuild. This kit is engineered for select Yamaha YZ250 two-stroke motorcycles from 2003 through 2012, making it a practical replacement solution for worn or damaged bottom-end components.
The kit includes a Hot Rods Heavy Duty OE replacement crankshaft or Heavy Duty stroker crankshaft option, along with Hot Rods main bearings and seals. A complete engine gasket set is also included with the gaskets and seals required to support a thorough engine rebuild. Components are selected to work together for dependable fitment and reliable engine service.
Designed for direct application to specified models, the Hot Rods CBK0135 helps simplify crankshaft installation by combining the major bottom-end service parts in one package. Verify the exact model year and engine configuration before installation to ensure compatibility. This kit fits 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, and 2012 Yamaha YZ250 motorcycles.
Features:
- Complete bottom-end kit for crankshaft installation and lower-engine rebuilding
- Choice of Hot Rods Heavy Duty OE replacement crankshaft or Heavy Duty stroker crankshaft
- Includes Hot Rods main bearings and seals kit
- Complete engine gasket set includes gaskets and seals for a full engine rebuild
- Fits 2003–2012 Yamaha YZ250 motorcycles
Fitment:
2003 Yamaha YZ250
2004 Yamaha YZ250
2005 Yamaha YZ250
2006 Yamaha YZ250
2007 Yamaha YZ250
2008 Yamaha YZ250
2009 Yamaha YZ250
2010 Yamaha YZ250
2011 Yamaha YZ250
2012 Yamaha YZ250
2013 Yamaha YZ250
2014 Yamaha YZ250
2015 Yamaha YZ250
2016 Yamaha YZ250
2016 Yamaha YZ250X
2017 Yamaha YZ250
2017 Yamaha YZ250X
2018 Yamaha YZ250
2018 Yamaha YZ250X
2019 Yamaha YZ250
2019 Yamaha YZ250X
2020 Yamaha YZ250
2020 Yamaha YZ250X
2021 Yamaha YZ250
2021 Yamaha YZ250X
2022 Yamaha YZ250
2022 Yamaha YZ250X
2023 Yamaha YZ250
2023 Yamaha YZ250X
2024 Yamaha YZ250
2024 Yamaha YZ250X