Yamaha YZ125 2021 Owner's Service Manual page 119

6
2. Measure:
• Brake pad wear limit "a"
Out of specification  Replace the brake
pads as a set.
Brake pad lining thickness limit
1.0 mm (0.04 in)
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.
EWA19170
WARNING
Do not reuse the drained brake fluid.
c. Tighten the bleed screw.
Brake caliper bleed screw
6 N·m (0.6 kgf·m, 4.4 lb·ft)
d. Install the brake pad "3" and the pad pin
7
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 "5" and the rear
f. Tighten the pad pin "7".
a
g. Install the pad pin plug "8" and the
1
4-27
REAR BRAKE
"4".
4 3
wheel "6".
Refer to "REAR WHEEL" on page 4-7.
Brake pad pin
17 N·m (1.7 kgf·m, 13 lb·ft)
7
5
protector "9".
Brake pad pin plug
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
Rear brake caliper protector bolt
7 N·m (0.7 kgf·m, 5.2 lb·ft)
8
a
b
6
9