Compatible with Front Sprocket OEM Parts Yamaha 93832-13164-00
Compatible with Rear Sprocket OEM Parts Yamaha 2XJ-25440-21-00
Fits 1990 Polaris Trail Blazer 250, 1985-1989 Polaris Trail Boss 250, 1989 Polaris Big Boss 250 4x6, 1994 Polaris Big Boss 300 6X6, 1993 Polaris Big Boss 350L 6X6, 1994-1998 Polaris Big Boss 400L 6X6
Compatible with Drive Chain OEM Parts Yamaha 94582-02092-00, 9Y581-87091-00
Sprocket Material consists of SAE 1023 structural carbon steel; Oil - LT-001A High Temperature Chain Oil