Yamaha YFM400FWA 2000 5GH3-AE1, Service Manual

Page: 100 / 381

3 - 41
INSP
ADJ
AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)
b. Install the diaphragm. Be careful not to
spill any fluid or allow the reservoir to
overflow.
c. Connect the clear plastic hose 1 tightly
to the caliper bleed screw 2 .
Å
Front
ı
Rear
d. Place the other end of the hose into a
container.
e. Slowly apply the brake lever or pedal
several times.
f. Pull the lever in or push down on the
pedal and hold it.
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.
i. Repeat steps (e) to (h) until all the air
bubbles have disappeared from the fluid.
j. Tighten the bleed screw.
NOTE:
If bleeding is difficult, it may be necessary
to let the brake fluid settle for a few hours.
Repeat the bleeding procedure when the
tiny bubbles in the system have disap-
peared.
k. Add brake fluid to the proper level.
Refer to “BRAKE FLUID LEVEL INSPEC-
TION”.
WARNING
Check the operation of the brake after
bleeding the brake system.
*********************************
T
R
.
.
Bleed screw:
6 Nm (0.6 m • kg, 4.3 ft • lb)
Å
ı