Yamaha YZ450F Owner's Service Manual page 109

2. Replace:
• Brake pads
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a. Remove the pad pin plug "1".
b. Loosen the pad pin "2".
c. Remove the brake caliper "3" from the front
fork.
d. Remove the pad pin and brake pads "4".
e. Connect the plastic hose "5" to the bleed
screw "6" and place a container under the
end of the plastic hose.
1
3
2
4
6
5
f. Loosen the bleed screw and push the brake
caliper piston in.
EWA
WARNING
Do not reuse the drained brake fluid.
g. Tighten the bleed screw.
Bleed screw
6 Nm (0.6 m·kgf, 4.3 ft·lbf)
h. Install the brake pads "7" 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.
b a
i. Install the brake caliper "8" and tighten the
pad pin "9".
Bolt (brake caliper)
28 Nm (2.8 m·kgf, 20 ft·lbf)
Pad pin
17 Nm (1.7 m·kgf, 12 ft·lbf)
j. Install the pad pin plug "10".
Pad pin plug
2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
3-25
CHASSIS
7
8
9