Replacing The Front Brake Pads; Disassembling The Front Brake Calipers - Yamaha YFM70RY Service Manual

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 wheels
Refer to "FRONT WHEELS" on page 4-5.
EAS22250

REPLACING THE FRONT BRAKE PADS

The following procedure applies to both 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. Remove:
• Brake pads
2. Measure:
• Brake pad wear limit "a"
Out of specification → Replace the brake
pads as a set.
Brake pad lining thickness (in-
ner)
4.3 mm (0.17 in)
Limit
1.0 mm (0.04 in)
Brake pad lining thickness (out-
er)
4.3 mm (0.17 in)
Limit
1.0 mm (0.04 in)
3. Install:
• Brake pads
• Brake pad springs
TIP
Always install new brake pads and a 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.
LLL
b. Loosen the bleed screw and push the brake
caliper pistons into the brake caliper with your
finger.
c. Tighten the bleed screw.
d. Install new brake pads and a new brake pad
spring.
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4. Install:
• Brake pad retaining bolt
• Brake caliper
5. Check:
• Brake fluid level
Below the minimum level mark → Add the
recommended brake fluid to the proper level.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" on page 3-21.
6. Check:
• Brake lever operation
Soft or spongy feeling → Bleed the brake sys-
tem.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" on page 3-24.
EAS22320
DISASSEMBLING THE FRONT BRAKE
CALIPERS
The following procedure applies to both of the
brake calipers.
4-23
FRONT BRAKES
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Bleed screw
6 Nm (0.6 m·kg, 4.3 ft·lb)
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Brake pad retaining bolt
17 Nm (1.7 m·kg, 12 ft·lb)
Brake caliper bolt
28 Nm (2.8 m·kg, 20 ft·lb)
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2
1
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