Description

The Yamaha YFZ450R Master Engine Rebuild Kit gives you nearly every major component needed to repair wear and restore performance beyond stock. This kit targets bottom end, top end, valves, drivetrain, and sealing surfaces.

REV6 inspects each part for fit and durability. A 1-year parts warranty supports the rebuild through all included components.

THIS KIT INCLUDES

• Crankshaft
• Main crankshaft bearings
• Forged piston kit
• Cylinder
• Intake valves set
• Exhaust valves set
• Timing chain
• Complete gasket set
• Transmission bearing kit
• Oil seals set
• Water pump rebuild kit

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Yamaha YFZ450R complete engine rebuild kit

LEARN MORE & GET SUPPORT

See coverage details on our warranty page, read rebuild guidance on the REV6 blog, explore common questions in the FAQ center, or contact our team for support.

FITMENT

Yamaha YFZ450R
2009–2013

TAKE ACTION
When your engine needs a full master rebuild, this kit delivers major components backed by REV6 quality and warranty. Ships nationwide—add it to your cart and get your rebuild started.

Your service matters to us—veterans receive special pricing at REV6.