CHASSIS/BRAKE SYSTEM AIR BLEEDING

INSP

ADJ

È

É

EC360000

CHASSIS

EC361012

BRAKE SYSTEM AIR BLEEDING

WARNING

Bleed the brake system if:

The system has been disassembled.

A brake hose has been loosened or removed.

The brake fluid is very low.

The brake operation is faulty.

A dangerous loss of braking performance may occur if the brake system is not prop- erly bled.

1.Remove:

Brake master cylinder cap

Diaphragm

Protector (rear brake)

2.Bleed:

Brake fluid

ÈFront É Rear

Air bleeding steps:

a. Add proper brake fluid to the reservoir.

b. Install the diaphragm. Be careful not to spill any fluid or allow the reservoir to overflow.

c. Connect the clear plastic tube 2 tightly to the caliper bleed screw 1.

d. Place the other end of the tube into a con- tainer.

e. Slowly apply the brake lever or pedal sev- eral times.

f. Pull the lever in or push down on the pedal. Hold the lever or pedal in position. g. Loosen the bleed screw and allow the

lever or pedal to travel towards its limit. h. Tighten the bleed screw when the lever or

pedal limit has been reached; then release the lever or pedal.

 

Bleed screw:

R

6 Nm (0.6 m • kg, 4.3 ft • lb)

T

 

.

 

.

 

 

 

i. Repeat steps (e) to (h) until of the air bub- bles have been removed from the system.

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Yamaha WR250FM service manual CHASSIS/BRAKE System AIR Bleeding, Chassis, Brake System AIR Bleeding