Renthal, Bakdrev, 520, 50, BLÅ, Yamaha 03-21 WR450F/YZ450F, 16-19 WR250, 01-20 WR250F, 08-20 WR250R, 99-21 YZ250, 01-21 YZ250F, 99-21 YZ125, 99-00 WR400F, 01-02 WR426F, 99 YZ400F, 00-02 YZ426F