Description
The Yamaha YFZ450R Complete Bottom End Rebuild Kit brings together key drivetrain and sealing components to refresh worn lower-engine internals. It helps correct bearing wear, crankshaft movement, and sealing lapses that sap performance.
REV6 inspects every part for fit and durability before it ships. A 1-year parts warranty supports your rebuild from crank to seal.
THIS KIT INCLUDES
- Crankshaft
- Crankshaft main bearings
- Complete gasket set
- Oil seal kit
- Transmission bearings kit
- Water pump rebuild kit
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Yamaha YFZ450R complete gasket and seal kit
LEARN MORE & GET SUPPORT
Learn about coverage on our warranty policy, get rebuild insight on the REV6 blog, find common answers in the FAQ center, or contact our support team for help.
FITMENT
Yamaha YFZ450R
2009–2026
TAKE ACTION
If bottom-end wear is costing you power and smooth operation, this kit delivers what you need with REV6 quality and warranty backing. Ships nationwide—add it to your cart and rebuild with confidence.
Your service matters to us—veterans receive special pricing at REV6.













