Details

• You must use a tapered style sprocket bolt (part #1096010001) for this sprocket to work on a Yamaha WR250R.

• Sprocket kits include the following.
• Stock size Primary Drive steel front sprocket.
• Stock size Primary Drive Alloy rear sprocket.
• Stock size Primary Drive Gold Plated MX Race 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.
• High quality 520 race chain.
• Features gold plating on the plates.
• Average tensile strength 8,900 lbs.
• Master Link included.