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FRONT BRAKE
4-20
EAS22220
INTRODUCTION
WARNING
EWA14100
Disc brake components rarely require dis-
assembly. Therefore, always follow these
preventive measures:
• Never disassemble brake components
unless 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
reassembly.
• Never use solvents on internal brake
components.
• Use only clean or new brake fluid for
cleaning 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
immediate medical attention.
EAS22240
CHECKING THE FRONT BRAKE DISCS
The following procedure applies to both brake
discs.
1. Remove:
• Front wheel
Refer to “REMOVING THE 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 thickness “a”
Measure the brake disc thickness at a
few different locations.
Out of specification → Replace.
4. 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
• Install the brake disc with its spot-faced side
facing the bolt heads.
• Tighten the brake disc bolts in stages and in
a crisscross pattern.
d. Measure the brake disc deflection.
e. If out of specification, repeat the adjust-
ment steps until the brake disc deflection is
within specification.
f. If the brake disc deflection cannot be
brought within specification, replace the
brake disc.
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5. Install:
• Front wheel
Refer to “INSTALLING THE FRONT
WHEELS” on page 4-8.
Brake disc deflection limit
0.15 mm (0.006 in)
Brake disc thickness limit
3.0 mm (0.12 in)
Brake disc bolt
28 Nm (2.8 m·kg, 21 ft·lb)
LOCTITE®