Honda 2012 TRX420TM Owner's Manual page 158

Brakes
Adjustment
RIGHT REAR
(2) brake lever adjusting nut
(3) brake arm pin
Adjust the freeplay of the rear brake lever/parking brake lever with the
front wheels pointed straight ahead.
1. Turn the brake lever 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 ( ).
2. Adjust the freeplay of the rear brake lever/parking brake lever. Push
the brake arm ( ) then check the clearance between the brake arm 4
and the brake arm pin.
(4) brake arm
150 Servicing Your Honda
2
3
(4)
(3)
(2)