Yamaha XV16ALC (1998) [129/449] Front wheel and brake discs

Yamaha XV16ALC (1998) [129/449] Front wheel and brake discs
4 - 6
CHAS
FRONT WHEEL AND BRAKE DISCS
EAS00531
CHECKING THE BRAKE DISCS
The following procedure applies to all of
the brake discs.
1. Check:
brake disc
Damage/galling Replace.
2. Measure:
brake disc deflection
Out of specification Correct the brake
disc deflection or replace the brake disc.
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a. Place the motorcycle on a suitable stand
so that the wheel is elevated.
b. Before measuring the front brake disc
deflection, turn the handlebar to the left
or right to ensure that the front wheel is
stationary.
c. Remove the brake caliper.
d. Hold the dial gauge at a right angle
against the brake disc surface.
e. Measure the deflection 1.5 mm (0.05 in)
below the edge of the brake disc.
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Maximum brake disc deflection
Front: 0.15 mm (0.006 in)
Rear: 0.15 mm (0.006 in)
3. Measure:
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)
4. Adjust:
brake disc deflection
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a. Remove the brake disc cover and brake
disc.
b. Rotate the brake disc cover and brake
disc by one bolt hole.
c. Install the brake disc cover and brake
disc.
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