Special Notes:Notes for Kit Item: Primary Drive Rear Aluminum Sprocket 48 Tooth SilverYou must use a tapered style sprocket bolt (part #1096010001) for this sprocket to work on a Yamaha WR250R. 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. High quality 520 race chain. Features gold plating on the plates. Average tensile strength 8,900 lbs. Master Link included.
