Yamaha YFM25RY Automobile User Manual


 
FRONT BRAKE
4-21
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 disas-
semble the brake caliper.
1. Measure:
Brake pad wear limit “a”
Out of specification Replace the brake
pads as a set.
2. Install:
Brake pads
Brake pad spring
TIP
Always install new brake pads and a new
brake pad spring as a set.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
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 pistons into the brake caliper
with your finger.
c. Tighten the bleed screw.
d. Install new brake pads and a new brake
pad spring.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
3. Lubricate:
Brake caliper guide bar
ECA14150
Do not allow grease to contact the brake
pads.
Remove any excess grease.
4. Install:
Brake pad retaining bolt
•Bolt
Brake caliper
Brake caliper bolts
5. Check:
Brake fluid level
Below the minimum level mark “a” Add
the recommended brake fluid to the
proper level.
Refer to “CHECKING THE BRAKE
FLUID LEVEL” on page 3-17.
6. Check:
Brake lever operation
Soft or spongy feeling Bleed the brake
system.
Refer to “BLEEDING THE HYDRAULIC
BRAKE SYSTEM” on page 3-20.
EAS22300
REMOVING THE FRONT BRAKE CALIPERS
The following procedure applies to both of the
brake calipers.
Brake pad lining thickness
(inner)
4.4 mm (0.17 in)
Limit
1.5 mm (0.06 in)
Brake pad lining thickness
(outer)
4.4 mm (0.17 in)
Limit
1.5 mm (0.06 in)
Bleed screw
5 Nm (0.5 m·kg, 3.7 ft·lb)
Recommended lubricant
Silicone grease
Brake pad retaining bolt
17 Nm (1.7 m·kg, 13 ft·lb)
Bolt
2.5 Nm (0.25 m·kg, 1.8 ft·lb)
Brake caliper bolt
28 Nm (2.8 m·kg, 21 ft·lb)