The Hot Rods CBK0090 Bottom End Kit provides the essential components needed to complete a reliable crankshaft installation and comprehensive lower-engine rebuild on select Yamaha YZ125 motorcycles. Designed as a complete service solution, this kit combines a Hot Rods heavy-duty OE-replacement crankshaft or applicable heavy-duty stroker crankshaft with the supporting bearings, seals, gaskets, and hardware required for professional engine assembly.
The kit includes a Hot Rods main bearings and seals kit to support smooth crankshaft operation and help restore proper engine sealing. A complete engine gasket set is also included, supplying the gaskets and seals required for a complete rebuild. These matched components help simplify parts selection and reduce the risk of overlooking critical sealing components during engine service.
The Hot Rods CBK0090 Bottom End Kit fits 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014 Yamaha YZ125 models. Verify the motorcycle year and application before installation to ensure proper compatibility. Manufactured by Hot Rods and identified by manufacturer part number CBK0090, this kit is intended for riders, technicians, and rebuilders seeking a coordinated bottom-end solution for Yamaha two-stroke engine maintenance.
Features:
- Complete bottom-end solution: Includes the primary components required for crankshaft installation and a complete lower-engine rebuild.
- Heavy-duty crankshaft options: Offers a choice between a Hot Rods heavy-duty OE-replacement crankshaft and a compatible Hot Rods heavy-duty stroker crankshaft.
- Main bearings and seals: Includes Hot Rods main bearings and seals to support dependable crankshaft operation and engine sealing.
- Complete engine gasket set: Provides the gaskets and seals needed for a complete engine rebuild.
- Fitment: Fits 2005–2014 Yamaha YZ125 motorcycles.
- Brand and part number: Hot Rods, manufacturer part number CBK0090.
Fitment:
2005 Yamaha YZ125
2006 Yamaha YZ125
2007 Yamaha YZ125
2008 Yamaha YZ125
2009 Yamaha YZ125
2010 Yamaha YZ125
2011 Yamaha YZ125
2012 Yamaha YZ125
2013 Yamaha YZ125
2014 Yamaha YZ125
2015 Yamaha YZ125
2016 Yamaha YZ125
2017 Yamaha YZ125
2018 Yamaha YZ125
2019 Yamaha YZ125
2020 Yamaha YZ125
2020 Yamaha YZ125X
2021 Yamaha YZ125
2021 Yamaha YZ125X
2022 Yamaha YZ125X