Yamaha YXR660FAS Service Manual download pdf (Page 308)

8 - 22

CHAS

FRONT AND REAR BRAKES

1. Measure:

• brake pad wear limit a

Out of specification → Replace the brake

pads as a set.

Brake pad wear limit

1.5 mm (0.06 in)

2. Install:

• brake pads

• brake pad spring

NOTE:

Always install new brake pads, new brake pad

shims, new insulators, and a new brake pad

spring as a set.

▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼

a. Connect a suitable hose 1 tightly to the

brake caliper bleed screw 2. Put the other

end of this hose into an open container.

b. Loosen the brake caliper bleed screw, and

then turn the brake caliper piston 3 clock-

wise until section a of the brake caliper pis-

ton is level with the surface of the brake

caliper body.

NOTE:

Align an end b of the groove in the brake cali-

per piston with the punch mark c on the brake

caliper body.

c. Tighten the brake caliper bleed screw.

d. Install new brake pads, new insulators, new

brake pad shims and a new brake pad

spring.

NOTE:

Align the projection d on the piston side of the

brake pad with the groove in the brake caliper

piston.

T

R

.

.

Brake caliper bleed screw

5 Nm (0.5 m · kg, 3.6 ft · lb)

1

2

3

a

b

c

3

d

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