Replacing The Front Brake Pads - Yamaha WR250R Service Manual

Brake disc bolt
WR250R:12 Nm (1.2 m•kg, 8.7
ft•lb)
LOCTITE®
WR250X:23 Nm (2.3 m•kg, 17
ft•lb)
LOCTITE®
d. Measure the brake disc deflection.
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 wheel
G
Refer to "FRONT WHEEL" on page 4-2.
EAS22280

REPLACING THE FRONT BRAKE PADS

NOTE:
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"
G
Out of specification → Replace the brake
pads as a set.
Brake pad lining thickness (inner)
WR250R 4.8 mm (0.19 in)
WR250X 4.0 mm (0.16 in)
Limit
1.0 mm (0.04 in)
Brake pad lining thickness (outer)
WR250R 4.8 mm (0.19 in)
WR250X 4.0 mm (0.16 in)
Limit
1.0 mm (0.04 in)
LT
2. Install:
NOTE:
Always install new brake pads, and a brake pad
spring as a set.
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a. Connect a clear plastic hose "1" tightly to the
b. Loosen the bleed screw and push the brake
c. Tighten the bleed screw.
d. Install new brake pads and a new brake pad
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3. Install:
4-17
FRONT BRAKE
Brake pads
G
Brake pad spring
G
bleed screw "2". Put the other end of the hose
into an open container.
2
caliper pistons into the brake caliper with your
finger.
Bleed screw
6 Nm (0.6 m•kg, 4.3 ft•lb)
spring.
Brake pad pins
G
Brake pad clips
G
Brake pad cover
G
Brake caliper
G
Brake caliper bolt
23 Nm (2.3 m•kg, 17 ft•lb)
a
1