Generic TR 125 Service Manual page 32

Rear brake clearance
Measure the clearance of rear brake at the tip of front brake handle.
Clearance: 10-20mm
Braking clearance
Please adjust free travel of back brake footstep in the
following way:
(1) Loose mandrill to lock nut1.
(2) Twist in or out the mandril2 to adjust free travel of front
brake handle, after adjusting free travel to 10-20mm.
(3) Install mandril1 tight and lock nut1
- 27 -