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EAS22220
INTRODUCTION
EWA14100
WARNING
Disc brake components rarely require disas-
sembly. Therefore, always follow these pre-
ventive measures:
• Never disassemble brake components un-
less absolutely necessary.
• If any connection on the hydraulic brake
system is disconnected, the entire brake
system must be disassembled, drained,
cleaned, properly filled, and bled after reas-
sembly.
• Never use solvents on internal brake com-
ponents.
• Use only clean or new brake fluid for clean-
ing brake components.
• Brake fluid may damage painted surfaces
and plastic parts. Therefore, always clean
up any spilt brake fluid immediately.
• Avoid brake fluid coming into contact with
the eyes as it can cause serious injury.
• FIRST AID FOR BRAKE FLUID ENTERING
THE EYES:
• Flush with water for 15 minutes and get im-
mediate medical attention.
EAS22240
CHECKING THE FRONT BRAKE DISCS
The following procedure applies to both brake
discs.
1. Remove:
• Front wheel
Refer to "FRONT WHEELS" on page 4-5.
2. Check:
• Brake disc
Damage/galling → Replace.
3. Measure:
• Brake disc deflection
Out of specification → Correct the brake disc
deflection or replace the brake disc.
Brake disc deflection limit
0.15 mm (0.006 in)
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a. Hold the dial gauge at a right angle against
the brake disc surface.
b. Measure the deflection 3.0 mm (0.12 in) be-
low the edge of the brake disc.
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4. Measure:
• Brake disc thickness "a"
Measure the brake disc thickness at a few dif-
ferent locations.
Out of specification → Replace.
Brake disc thickness limit
3.0 mm (0.12 in)
5. Adjust:
• Brake disc deflection
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a. Remove the brake disc.
b. Rotate the brake disc by one bolt hole.
c. Install the brake disc.
TIP
Tighten the brake disc bolts in stages and in a
crisscross pattern.
Brake disc bolt
28 Nm (2.8 m·kg, 20 ft·lb)
LOCTITE®
d. Measure the brake disc deflection.
4-22
FRONT BRAKES
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Troubleshooting
