Checking The Brake - Yamaha MIO Service Manual

REAR WHEEL AND BRAKE
a
EAS00569

CHECKING THE BRAKE

The following procedure applies to all of the
brake shoes.
1. Check:
• brake shoe lining
Glazed areas → Repair.
Sand the glazed areas with course sandpa-
per.
NOTE:
_
After sanding the glazed areas, clean the
brake shoe with a cloth.
2. Measure:
• brake shoe lining thickness a
Out of specification → Replace.
Brake shoe lining thickness limit
2.0 mm (0.079 in)
WARNING
_
Do not allow oil or grease to contact the
brake shoes.
NOTE:
_
Replace the brake shoes as a set, if either is
worn to the wear limit.
3. Check:
• brake drum inner surface
Oil deposits → Clean.
Remove the oil with a rag soaked in lacquer
thinner or solvent.
Scratches → Repair.
Lightly and evenly polish the scratches with
an emery cloth.
4. Measure:
• brake drum inside diameter a
Out of specification → Replace the wheel.
Brake drum inside diameter limit
131 mm (5.16 in)
5. Check:
• brake camshaft
Damage/wear → Replace.
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CHAS