Wrench Rabbit Complete Engine Rebuild Kit for 2010-2011 Yamaha YFZ450X WR101-147

When your Yamaha YFZ450X engine reaches the end of its service life, a quality rebuild kit saves you thousands compared to sourcing components individually and eliminates compatibility guesswork. The Wrench Rabbit Complete Engine Rebuild Kit supplies every internal component you need to restore full compression, bearing integrity, and cooling system reliability—giving you confidence that your rebuild will perform as intended.

This kit consolidates the critical wear items into one package: premium Vertex pistons and rings, a Hot Rods crank engineered for stock stroke applications, OEM-quality bearing sets throughout the engine, and a complete gasket and seal collection. Whether you're a dedicated DIY mechanic or preparing your quad for professional service, having every piece in one kit eliminates backorders and assembly delays.

• Vertex piston kit
• Standard compression ratio
• Includes wrist pin, clips
• Hot Rods crank assembly
• Stock stroke configuration
• Wrist pin bearing included
• Main bearing kit
• Transmission bearing kit
• Counter balancer bearings
• Water pump bearing set
• Water pump seal kit
• Vertex top gasket set
• Vertex bottom gasket set
• All seals, O-rings included
• 2010-2011 YFZ450X specific
• Bolt-on installation
• Professional rebuild recommended
• MPN: WR101-147