Primary Drive Aluminum Rear Sprocket 49 Tooth Blue For YAMAHA WR YZ

Primary Drive Rear Aluminum Sprocket 49 Tooth Blue For YAMAHA YZ250 1999-2023

Primary Drive Rear Steel Sprocket 49 Tooth Silver For YAMAHA YZ450F 2003-2023

Primary Drive Aluminum Rear Sprocket 48 Tooth Silver For YAMAHA WR YZ

Primary Drive Aluminum Rear Sprocket 51 Tooth Silver For YAMAHA WR YZ

Primary Drive Aluminum Rear Sprocket 50 Tooth Silver for YAMAHA WR YZ

Primary Drive Aluminum Rear Sprocket 47 Tooth Silver For YAMAHA WR YZ

Primary Drive Rear Aluminum Sprocket 42 Tooth Blue For Yamaha WR450F 2003-09