Primary Drive X-Ring Chain Alloy Sprocket Kit Set Silver
- Sprocket kits include the following.
- Stock size Primary Drive steel front sprocket.
- Stock size Primary Drive Alloy rear sprocket.
- Stock size Primary Drive X-Ring chain.
- Front sprockets are manufactured to O.E.M., specs using high grade hardened steel.
- Rear Aluminum Sprocket made from 7075 T-6 heat treated Aluminum.
- Come with self-cleaning grooves.
- All match original equipment exactly for perfect fit and size.
- The ORH X-Ring chain is Primary Drives best off-road chain for performance and durability.
- X-Ring shape provides an outstanding seal with reduced friction.
- Average tensile strength 8,120 lbs.
Front Sprocket: 14 Tooth
Rear Sprocket: 50 Tooth
Special Notes:
Notes for Kit Item: Primary Drive Rear Aluminum Sprocket 50 Tooth Silver
- You must use a tapered style sprocket bolt (part #1096010001) for this sprocket to work on a Yamaha WR250R.
Fits the following models:
YAMAHA WR400F 1999 - 2000
YAMAHA WR426F 2001 - 2002
YAMAHA WR450F 2003 - 2006
YAMAHA YZ250 2005 - 2026
YAMAHA YZ250 50th Anniversary Edition 2024
YAMAHA YZ250 70th Anniversary Edition 2026
YAMAHA YZ250X 2016 - 2026