Wiseco's bottom-end rebuild kits help save time and money for your dirt bike, ATV, or UTV bottom-end rebuild. Available for many popular applications, these kits contain a crankshaft assembly, main bearings, and a bottom-end gasket kit, all in one box under one part number.
- Gasket kits supply all gaskets and seals specified under one part numberManufactured by leading gasket suppliersInspected for quality and accuracyA must-have to get every rebuild done right!
- Copper-plated, heat-treated, and shot-peened connecting rod to remove residual stress and smooth surface blends
- Includes complete crankshaft assembly, main bearings, and complete bottom-end gasket and seal kit in one box
- OEM quality main bearings and rod bearings for smooth operation and reliable longevity
- Elevated engineering and quality control measures to ensure reliable service
- Precision machined crank webs for ultimate strength and durability
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2008 | Yamaha | YFM660F Grizzly 4x4 | Base |
| 2004-2007 | Yamaha | YXR66F Rhino 660 | Base |
| 2007 | Yamaha | YXR66F Rhino 660 Ducks Unlimited | Base |
| 2006-2007 | Yamaha | YXR66F Rhino 660 Exploring Edition | Base |
| 2006-2007 | Yamaha | YXR66F Rhino 660 Special Edition | Base |
| 2007 | Yamaha | YXR66F Rhino 660 Sport Edition | Base |
