Yamaha MBK MW125 2014, Service Manual

Page: 150 / 380

FRONT BRAKE
4-41
f. If the brake disc runout cannot be brought
within specification, replace the brake disc.
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6. Install:
• Front wheel
Refer to “FRONT WHEELS” on page 4-25.
EAS30170
REPLACING THE FRONT BRAKE PADS
The following procedure applies to both of the
brake calipers.
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
→
Replace the brake
pads as a set.
2. Install:
• Brake pad spring
• Brake pads
TIP
Always install new brake pads, and new brake
pad spring, 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.
b. Loosen the bleed screw and push the brake
caliper piston into the brake caliper with your
finger.
c. Tighten the bleed screw.
d. Install new brake pad spring and new brake
pads.
TIP
Install the brake pad spring so that its end with
the paint mark “a” is facing downward.
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3. Install:
• Brake pad pin
• Front brake caliper
• Speed sensor lead guide (right side only)
• Front brake caliper bolts
4. Check:
• Brake fluid level
Below the minimum level mark “a”
→
Add the
specified brake fluid to the proper level.
Refer to “CHECKING THE BRAKE FLUID
LEVEL” on page 3-11.
Brake pad lining thickness (in-
ner)
5.8 mm (0.23 in)
Limit
1.0 mm (0.04 in)
Brake pad lining thickness (out-
er)
5.8 mm (0.23 in)
Limit
1.0 mm (0.04 in)
a
New
New
T
R
.
.
Front brake caliper bleed screw
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
T
R
.
.
Front brake pad pin
17 Nm (1.7 m·kgf, 12 ft·lbf)
Front brake caliper bolt
35 Nm (3.5 m·kgf, 25 ft·lbf)
1
2
a