Yamaha TT-R125LW, Owner'S Service Manual

Page: 380 / 468

5 - 20
CHAS
REAR WHEEL AND REAR BRAKE
NOTE:
The bending value is shown by one half of the
dial gauge reading.
WARNING
Do not attempt to straighten a bent axle.
Drum brake
1. Inspect:
●
Brake shoe lining surface
Glazed areas
→
Polish.
Use coarse sand paper.
NOTE:
After polishing, wipe the polished particles with
a cloth.
2. Measure:
●
Brake shoe lining thickness
a
Out of specification
→
Replace.
NOTE:
Replace the brake shoes and springs as a set
if either is worn to the limit.
Brake shoe lining thickness:
Standard <Limit>
4.0 mm
(0.16 in)
2.0 mm
(0.08 in)
3. Measure:
●
Brake drum inside diameter
a
Out of specification
→
Replace.
Brake drum inside diameter:
Standard <Limit>
110 mm
(4.33 in)
111 mm
(4.37 in)