Replacing The Front Brake Pads - Yamaha WR450FB 2012 Owner's Service Manual

Brake disc bolt
12 Nm (1.2 m·kgf, 8.7 ft-lbf)
LOCTITE®
d. Measure the brake disc deflection.
e. If out of specification, repeat the adjustment
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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6. Install:
• Front wheel
Refer to "FRONT WHEEL" on page 5-5.
EAS10X3145
REPLACING THE FRONT BRAKE PADS
TIP - - - -- - - - - - - - - - -
When replacing the brake pads, it is not neces-
sary to disconnect the brake hose or disassem-
ble the brake caliper.
1. Measure:
• Brake pad wear limit "a"
Out of specification
---7
Replace the brake
pads as a set.
Brake pad lining thickness (inner)
4.4 mm (0.17 in)
Limit
1.0 mm (0.04 in)
Brake pad lining thickness (outer)
4.4 mm (0.17 in)
Limit
1.0 mm (0.04 in)
5-21
FRONT BRAKE
2. Install:
•Brake pads
• Pad support
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TIP _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Always install new brake pads, and a pad sup-
port as a set.
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a. Connect a clear plastic hose "1" tightly to the
bleed screw "2". Put the other end of the
hose into an open container.
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b. Loosen the bleed screw and push the brake
caliper pistons into the brake caliper with
your finger.
c. Tighten the bleed screw.
Bleed screw
6 Nm (0.6 m·kgf, 4.3 ft-lbf)
d. Install new brake pads and a new brake pad
spring.
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3. Install:
• Brake pad pins
• Brake pad clips
• Brake pad cover
• Brake caliper
Brake caliper bolt
23 Nm (2.3 m·kgf, 17 ft-lbf)