Yamaha 2007 XP500 Service Manual page 129

der.
1st: Front brake caliper
2nd: Rear brake caliper
EWA15B1006
WARNING
Bleed the ABS whenever:
the system is disassembled.
G
a brake hose is loosened, disconnected or
G
replaced.
the brake fluid level is very low.
G
brake operation is faulty.
G
NOTE:
Be careful not to spill any brake fluid or allow
G
the brake master cylinder reservoir to overflow.
When bleeding the ABS, make sure there is al-
G
ways enough brake fluid before applying the
brake. Ignoring this precaution could allow air
to enter the ABS, considerably lengthening the
bleeding procedure.
If bleeding is difficult, it may be necessary to let
G
the brake fluid settle for a few hours.
Repeat the bleeding procedure when the tiny
G
bubbles in the hose have disappeared.
1. Bleed:
ABS
G
MMMMMMMMMMMMMMMMMMMMMM
a. Fill the brake master cylinder reservoir to the
proper level with the recommended brake flu-
id.
b. Install the brake master cylinder reservoir di-
aphragm.
c. Connect a clear plastic hose "1" tightly to the
bleed screw "2".
A
2
B
A. Front
B. Rear
d. Place the other end of the hose into a con-
tainer.
e. Slowly apply the brake several times.
f. Fully squeeze the brake lever and do not re-
lease it.
g. Loosen the bleed screw.
NOTE:
Loosening the bleed screw will release the pres-
sure and cause the brake levers to contact the
handlebar.
h. Tighten the bleed screw, and then release
the brake lever.
i. Repeat steps (e) to (h) until all of the air bub-
bles have disappeared from the brake fluid in
the plastic hose.
j. Check the operation of the hydraulic unit. Re-
fer to "HYDRAULIC UNIT OPERATION
TEST" on page 4-49.
ECA15B1017
CAUTION:
Make sure that the main switch is set to
"OFF" before checking the operation of the
hydraulic unit.
1
k. After operating the ABS, repeat steps (e) to
(i), and then fill the primary circuit with 60 cm
(2.11 Imp oz, 2.03 US oz) of the recommend-
ed brake fluid.
l. Tighten the bleed screw to the specified
torque.
m. Fill the brake fluid reservoir to the proper level
with the recommended brake fluid.
Refer to "CHECKING THE BRAKE FLUID
LEVEL".
EWA15B1007
WARNING
After bleeding the ABS, check the brake op-
3-25
2
Bleed screw
6 Nm (0.6 m•kg, 4.3 ft•lb)
CHASSIS
1
3