Primary Drive Rear Steel Sprocket 40 Tooth Silver For YAMAHA YZ250F 2001-2023

JT Racelite Aluminum Rear Sprocket 50 Tooth Black for YAMAHA WR YZ

JT Twinstar Hybrid Rear Sprocket 51 Tooth For YAMAHA YZ250 1999-2023

JT Aluminum Rear BLU Sprocket 51 Tooth YZ WR 250F 450F 426F FX 125 250 1999-2023

Pro X Grooved Ultralight Front Sprocket 14 Tooth For YAMAHA YZ250 1983-1998

JT Racelite Aluminum Rear Sprocket 51 Tooth Black For YZ250 450 F 2001-2023

JT Front Sprocket 13 13T Tooth YZ125 2005-2022 YZ250F FX WR250F R X 2001-2024

Primary Drive Rear Steel Sprocket 40 Tooth Silver For Yamaha WR250F 2001-09,2011