Description
Yamaha Raptor 660R Complete Bottom End Rebuild Kit
Rebuild the lower end of your 2002-2005 Yamaha Raptor 660R with this Complete Bottom End Rebuild Kit from REV6. Designed for engines that require a new crankshaft, this kit combines the major lower-end components commonly replaced during a complete bottom-end rebuild into one convenient package.
Replacing the crankshaft, crankshaft bearing, cam chain, gaskets, seals, and water pump components together helps restore reliability while simplifying your rebuild. Additionally, installing these matched components during one teardown saves time and reduces the need to source individual parts.
When This Complete Bottom End Rebuild Kit Is the Right Choice
Choose this kit when your crankshaft needs replacement along with the surrounding wear components. However, if your existing crankshaft remains within service specifications, the Yamaha Raptor 660R Complete Bottom End Refresh Kit is the better choice.
What This Kit Includes
- Crankshaft
- 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 bottom-end rebuild kit? Contact REV6. Our experienced team is ready to help.
Continue Your Yamaha Raptor 660R Engine Build
If your crankshaft is still serviceable, compare the Yamaha Raptor 660R Complete Bottom End Refresh Kit.
Ready to rebuild the entire engine? View the Yamaha Raptor 660R Big Bore Engine Rebuild Kit.
Need our most complete engine package? See the Yamaha Raptor 660R BIG BORE Master Engine Rebuild Kit.
Every REV6 replacement part ships nationwide and is backed by our 1-year warranty, giving you confidence every time you rebuild.













