Checking The Brake Disc - Yamaha FZS1000N Service Manual

REAR WHEEL AND BRAKE DISC
NOTE:
Tighten the self-locking nuts in stages and in a
crisscross pattern.
EAS00531

CHECKING THE BRAKE DISC

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.
NOTE:
Place the motorcycle on a suitable stand so that
the wheel is elevated.
a. Before measuring the front brake disc deflec-
tion, turn the handlebar to the left or right to
ensure that the front wheel is stationary.
b. Remove the brake caliper.
c. Hold the dial gauge at a right angle against
the brake disc surface.
d. Measure the deflection 2 X 3 mm below the
edge of the brake disc.
3. Measure:
brake disc thickness
Measure the brake disc thickness at a few
different locations.
Out of specification ! Replace.
4-15
CHAS
Rear wheel sprocket self-locking
nut
69 Nm (6.9 m kg, 50 ft lb)
Brake disc deflection limit
(maximum)
0.1 mm (0.004 in)
Brake disc thickness limit
(minimum)
4.5 mm (0.18 in)