Checking The Brake Discs - Yamaha XV16AL Service Manual

FRONT WHEEL AND BRAKE DISCS
EAS00531

CHECKING THE BRAKE DISCS

The following procedure applies to all of
the brake discs.
1. Check:
2. Measure:
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a. Place the motorcycle on a suitable stand
b. Before measuring the front brake disc
c. Remove the brake caliper.
d. Hold the dial gauge at a right angle
e. Measure the deflection 1.5 mm (0.05 in)
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3. Measure:
4. Adjust:
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a. Remove the brake disc cover and brake
b. Rotate the brake disc cover and brake
c. Install the brake disc cover and brake
4 - 6
• brake disc
Damage/galling → Replace.
• brake disc deflection
Out of specification → Correct the brake
disc deflection or replace the brake disc.
Maximum brake disc deflection
Front: 0.15 mm (0.006 in)
Rear: 0.15 mm (0.006 in)
so that the wheel is elevated.
deflection, turn the handlebar to the left
or right to ensure that the front wheel is
stationary.
against the brake disc surface.
below the edge of the brake disc.
• brake disc thickness
Measure the brake disc thickness at a
few different locations.
Out of specification → Replace.
Minimum brake disc thickness
Front: 4.5 mm (0.18 in)
Rear: 6.5 mm (0.26 in)
• brake disc deflection
disc.
disc by one bolt hole.
disc.
CHAS
4