Description
The Yamaha YFZ450R Complete Engine Rebuild Kit gives you all the major components needed to bring a worn engine back stronger than stock. It targets wear at the bottom end, top end, drivetrain, and sealing surfaces in one package.
REV6 inspects each part for fit and durability. A 1-year parts warranty supports the rebuild through the critical components in this kit.
THIS KIT INCLUDES
- Crankshaft
- Main crankshaft bearings
- Forged piston kit
- Cylinder
- Timing chain
- Complete gasket set
- Transmission bearing kit
- Oil seals set
- Water pump rebuild kit
LEARN MORE & GET SUPPORT
Get coverage details on our warranty page, read rebuild tips on the REV6 blog, explore answers in the FAQ center, or contact our team for direct support.
FITMENT
Yamaha YFZ450R
2009–2013
TAKE ACTION
When your engine needs a full rebuild, this kit delivers major components backed by REV6 quality and warranty. Ships nationwide—add it to your cart and get your rebuild underway.
We proudly support our veterans with dedicated discounts.













