Air Bleeding (Hydraulic Brake System); Steering Head Adjustment - Yamaha YQ50 Service Manual

AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)/

STEERING HEAD ADJUSTEMENT
AIR BLEEDING
(HYDRAULIC BRAKE SYSTEM)
1. Bleed :
• Brake fluid.
*******************************************************
Air bleeding steps :
a. Add proper brake fluid into the reservoir.
b. Install the diaphragm. Be careful not to spill
any fluid or allow the reservoir to overflow.
c. Connect a clear plastic tube Q tightly to the
caliper bleed screw.
d. Place the other end of the tube into a container.
e. Slowly apply the brake lever several times.
f. Pull the lever as far as possible and hold it
there.
g. Loosen the bleed screw and pull the lever all
the way.
h. When the lever is completely pulled, tighten
346002
the bleed screw, then release the lever.
i. Repeat steps (e) to (h) until all air bubbles have
been removed from the system.
j. Add brake fluid to proper level.
*****************************************************
WARNING
Check the operation of the brake after
bleeding the brake system.

STEERING HEAD ADJUSTMENT

1 Check :
• Steering assembly bearings
Grasp the bottom of the forks and gently rock the
fork assembly back and forth.
Looseness © Adjust steering head.
*******************************************************
Steering head adjustment steps :
G
Remove the front fender and the front panels.
Refer to "COVERS REMOVAL" .
G
Unscrew the securing nut Q
G Tighten the nut W
Stearing head wrench :
354002
3-23
INSP
ADJ
9079Q - 02218