Yamaha TT-R125 Manuel D'atelier Du Proprietaire page 202

CHASSIS/BRAKE SYSTEM AIR BLEEDING
(TT-R125LW/TT-R125LWE)
EC360000
CHASSIS
EC361012
BRAKE SYSTEM AIR BLEEDING
(TT-R125LW/TT-R125LWE)
WARNING
Bleed the brake system if:
The system has been disassembled.
G
A brake hose has been loosened or
G
removed.
The brake fluid is very low.
G
The brake operation is faulty.
G
A dangerous loss of braking performance
may occur if the brake system is not prop-
erly bled.
1. Remove:
Brake master cylinder cap
G
Diaphragm
G
2. Bleed:
Brake fluid
G
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
container.
e. Slowly apply the brake lever several
times.
f. Pull in the lever. Hold the lever in posi-
tion.
g. Loosen the bleed screw and allow the
lever to travel towards its limit.
h. Tighten the bleed screw when the lever
limit has been reached; then release the
lever.
i. Repeat steps (e) to (h) until of the air
bubbles have been removed from the
system.
3 - 15
INSP
ADJ
Bleed screw:
6 Nm (0.6 m • kg, 4.3 ft • lb)