Yamaha XT660R(S) Automobile User Manual


 
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CHAS
REAR WHEEL, BRAKE DISC, AND REAR WHEEL
SPROCKET
2. Check:
tire
rear wheel
Damage/wear Replace.
Refer to CHECKING THE TIRES in chap-
ter 3.
3. Check:
spokes
Refer to CHECKING THE FRONT
WHEEL.
4. Measure:
radial wheel runout
lateral wheel runout
Refer to CHECKING THE FRONT
WHEEL.
EAS00527
CHECKING THE REAR 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.
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a. Place the motorcycle on a suitable stand so
that the rear wheel is elevated.
b. Remove the brake caliper.
c. Hold the dial gauge at a right angle against
the brake disc surface.
d. Measure the deflection 1.5 mm (0.06 in)
below the edge of the brake disc.
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Brake disc deflection limit (maxi-
mum)
0.15 mm (0.006 in)