Description
When your Yamaha YFZ450 engine shows signs of wear—loss of compression, hard starting, or worn bearings—a complete rebuild is the most cost-effective path to restoring full performance and reliability. The Wrench Rabbit WR101-078 kit eliminates the guesswork by bundling all critical internal components in OEM-quality specifications, letting you focus on the rebuild process rather than sourcing individual parts. Whether you’re a seasoned mechanic or tackling your first engine refresh, this comprehensive solution gets your machine back to factory specs without compromise.
- Vertex piston kit
- Standard compression ratio
- Rings and wrist pin
- Hot Rods crankshaft
- Stock stroke configuration
- Main bearing kit
- Crank seals included
- Transmission bearing kit
- Output shaft collar
- Sprocket lock washer
- Vertex gasket kit
- Top and bottom end
- Seals and O-rings
- Fits 2004-2005 YFZ450
- Bolt-on installation compatible
