Yamaha WR450FN 2022, Owner'S Service Manual

Page: 149 / 402

FRONT BRAKE
4-21
d. Remove the pad pin and brake pads “4”.
2. Measure:
•
Brake pad wear limit “a”
Out of specification

Replace the brake
pads as a set.
3. Install:
• Brake pad
a. Connect the plastic hose “1” to the bleed
screw “2” and place a container under the
end of the plastic hose.
b. Loosen the bleed screw and push the
brake caliper piston in.
WARNING
EWA19160
Do not reuse the drained brake fluid.
c. Tighten the bleed screw.
d. Install the brake pads “3” and the pad pin.
TIP
• Install the brake pads with their projections “a”
into the brake caliper recesses “b”.
• Temporarily tighten the pad pin at this point.
e. Install the brake caliper “4” and tighten the
pad pin “5”.
f. Install the pad pin plug “6”.
Brake pad lining thickness limit
1.0 mm (0.04 in)
4
a
2
1
Bleed screw
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Bolt (brake caliper)
28 N·m (2.8 kgf·m, 21 lb·ft)
Pad pin
17 N·m (1.7 kgf·m, 13 lb·ft)
Pad pin plug
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
T
R
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3
a b
T
R
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4
5
T
R
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6