Honda TRX420TM Owner's Manual page 144

Brakes
Adjustment
RIGHT REAR
(2) brake pedal adjusting nut
(3) brake arm pin
Turn the brake pedal adjusting nut ( ), located on the brake operating
rod at the rear of the frame. Make sure the cutout on the adjusting nut is
properly seated on the brake arm pin ( ).
Servicing Your Honda
136
(3)
2
3
(2)