Checking The Wheels; Checking The Tires - Yamaha MT-09 2021 Service Manual

A
2
B
2
C
1
A. Front brake master cylinder
B. Front brake caliper (left/right)
C. Rear brake caliper
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 or fully de-
press the brake pedal and hold it in position.
g. Loosen the bleed screw.
TIP
Loosening the bleed screw will release the pres-
sure and cause the brake lever to contact the
throttle grip or the brake pedal to fully extend.
h. Tighten the bleed screw and then release
the brake lever or brake pedal.
i. Repeat steps (e) to (h) until all of the air
bubbles have disappeared from the brake
fluid in the plastic hose.
j. Check the operation of the hydraulic unit.
Refer to "HYDRAULIC UNIT OPERATION
TESTS" on page 4-53.
1
1
2
PERIODIC MAINTENANCE
ECA17061
NOTICE
Make sure that the main switch is turned to
"OFF" before checking the operation of the
hydraulic unit.
k. After operating the ABS, repeat steps (e) to
(i), and then fill the brake fluid reservoir to
the proper level with the specified brake flu-
id.
l. Tighten the bleed screw to specification.
Front brake master cylinder
bleed screw
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Brake caliper bleed screw
5 N·m (0.5 kgf·m, 3.7 lb·ft)
m. Fill the brake fluid reservoir to the proper
level with the specified brake fluid.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" on page 3-13.
EWA13110
WARNING
After bleeding the hydraulic brake system,
check the brake operation.
EAS30638

CHECKING THE WHEELS

The following procedure applies to both of the
wheels.
1. Check:
• Wheel
Damage/out-of-round → Replace.
EWA13260
WARNING
Never attempt to make any repairs to the
wheel.
TIP
After a tire or wheel has been changed or re-
placed, always balance the wheel.
EAS30640

CHECKING THE TIRES

The following procedure applies to both of the
tires.
1. Check:
• Tire air pressure
Out of specification → Regulate.
3-16