Yamaha 2002 YB50, Service Manual

Page: 42 / 161

INSP
ADJ
AIR BLEEDING (HYDRAULIC BRAKE SYSTEM) /
STEERING ADJUSTMENT
3-14
AIR BLEEDING (HYDRAULIC BRAKE SYS-
TEM)
1. Bleed:
• Brake fluid
Steps for air bleeding:
a. Add the appropriate amount of brake fluid
to the sump.
b. Install the diaphragm. Take care not to spill
fluid or to let the sump overflow.
c. Connect the clean plastic tube .
d. Place the other end of the tube in a contai-
ner.
e. Slowly apply the brake lever several times.
f. Pull the lever inwards. Keep it in this posi-
tion.
g. Loosen the bleed screw and tighten the
lever as far as it will go.
h. Tighten the bleed screw when it has rea-
ched its limit, afterwards loosen the lever.
i. Repeat steps (e) to (h) until the air bubbles
in the system have been removed.
j. Add brake fluid to the correct level.
s s
WARNING
Check the brake operation after bleeding
the system.
STEERING ADJUSTMENT
1. Check:
• Steering assembly bearings Press down
the bottom of the fork and carefully
move the assembly forwards and back-
wards.
Loose
Adjust