Description
Yamaha Raptor 660R Complete Bottom End Refresh Kit
Refresh the lower end of your 2002-2005 Yamaha Raptor 660R with this Complete Bottom End Refresh Kit from REV6. Designed for engines with a serviceable crankshaft, this kit combines the wear components commonly replaced during a lower-end refresh into one convenient package.
Replacing the crankshaft bearing, seals, gaskets, cam chain, and water pump components together helps simplify your rebuild while restoring dependable performance. Additionally, installing these components during one teardown helps reduce future maintenance and saves time sourcing parts individually.
When This Bottom End Refresh Kit Is the Right Choice
Choose this kit when your crankshaft remains within service specifications but the surrounding wear components need replacement. However, if your crankshaft also requires replacement, the Complete Bottom End Rebuild Kit is the better option.
What This Kit Includes
- Cam Chain
- Crankshaft Bearing
- Complete Gasket Kit
- Water Pump Rebuild Kit
- Oil Seal Set
Compatible Yamaha Models
- 2002-2005 Yamaha Raptor 660R
Need help selecting the right lower-end kit? Contact REV6. Our experienced team is ready to help.
Continue Your Yamaha Raptor 660R Bottom-End Rebuild
If your crankshaft also needs replacement, compare the Yamaha Raptor 660R Complete Bottom End Rebuild Kit.
Replacing only the bearings and seals? View the Yamaha Raptor 660R Complete Bearing & Seal Kit.
Need additional rebuild components? Browse our Yamaha Raptor 660R engine parts and rebuild kits.
Every REV6 replacement part ships nationwide and is backed by our 1-year warranty, giving you confidence every time you rebuild.













