Yamaha BIGBEAR YFM400NM Owner's Manual page 132

2. Brake lever free play adjustment b. Screw in the adjusting nut on brake
a. Loosen the locknut and fully turn in cable to provide a gap of 0 ~ 1 mm (0 ~
the adjusting bolt at the brake lever. 0.04 in) between the lever and the pin.
1. Locknut 2. Adjusting bolt 1. Adjusting nut (brake cable) a. 0 ~ 1 mm (0 ~ 0.04 in)
8-24