Yamaha TZ125M1 Owner's Service Manual page 165

FRONT WHEEL AND REAR WHEEL
5-4
NOTE:
The bending value is shown by one half of the
dial gauge reading.
W
Do not attempt to straighten a bent axle.
EC594100
Brake disc
1. Measure:
• Brake disc deflection (only rear brake disc)
Use the dial gauge 1.
Out of specification ≥ Inspect wheel
runout.
If wheel runout is in good condition, replace
the brake disc.
≈
Disc deflection limit:
Standard
Rear –
2. Measure:
• Brake disc thickness
Use the micrometer 1.
Out of limit ≥ Replace.
∆
Disc wear limit:
Standard
Front 5.0 mm (0.20 in)
Rear 4.0 mm (0.16 in)
3. Inspect:
• Brake disc surface
Score marks/Damege≥Replace.
EC524100
Clutch hub
1. Inspect:
• Bearing 1
Rotate inner race with a finger.
Rough spot/Seizure ≥ Replace.
CHAS
<Limit>
0.15 mm (0.006 in)
<Limit>
4.5 mm (0.18 in)
3.5 mm (0.14 in)