Yamaha YZ125N1 Motorcycle User Manual


 
5-4
CHAS
FRONT WHEEL AND REAR WHEEL
EC514200
Wheel axle
1. Measure:
9Wheel axle bends
Out of specification Replace.
Use the dial gauge 1.
NOTE:
The bending value is shown by one half of the
dial gauge reading.
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Do not attempt to straighten a bent axle.
EC594200
Brake disc
1. Measure:
9Brake disc deflection (only rear brake disc)
Use the dial gauge 1.
Out of specificationInspect wheel runout.
If wheel runout is in good condition, re-
place the brake disc.
2. Measure:
9Brake disc thickness a
Out of limitReplace.
Wheel axle bending limit:
0.5 mm (0.020 in)
Disc wear limit:
Standard <Limit>
Front 3.0 mm (0.12 in) 2.5 mm (0.10 in)
Rear 4.0 mm (0.16 in) 3.5 mm (0.14 in)
Disc deflection limit:
Standard <Limit>
Rear —
0.15 mm (0.006 in)
5MV-9-10-5A 6/12/00 8:45 PM Page 5-4