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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.
Refer to "HYDRAULIC UNIT OPERATION
TESTS" on page 4-65.
ECA2DM1027
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 master cylinder res-
ervoir to the proper level with the specified
brake fluid.
l. Tighten the bleed screw to specification.
Brake caliper bleed screw
6 Nm (0.6 m·kgf, 4.3 ft·lbf)
m. Fill the brake master cylinder reservoir to the
proper level with the specified brake fluid.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" on page 3-9.
EWA13110
WARNING
After bleeding the hydraulic brake system,
check the brake operation.
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EAS21250
CHECKING THE FRONT BRAKE PADS
The following procedure applies to all of the
brake pads.
1. Operate the brake.
2. Check:
• Front brake pad
Wear indicator grooves "a" almost disap-
peared → Replace the brake pads as a set.
Refer to "FRONT BRAKE" on page 4-31.
a
a
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PERIODIC MAINTENANCE
EAS2DM1026
CHECKING THE REAR BRAKE PADS (for
YP250R)
The following procedure applies to all of the
brake pads.
1. Operate the brake.
2. Check:
• Rear brake pad
Wear limit "a" reached → Replace the brake
pads as a set.
Refer to "REAR BRAKE" on page 4-44.
a
EAS2DM1027
CHECKING THE REAR BRAKE PADS (for
YP250RA)
The following procedure applies to all of the
brake pads.
1. Operate the brake.
2. Check:
▲▲▲
• Rear brake pad
Wear indicator grooves "a" almost disap-
peared → Replace the brake pads as a set.
Refer to "REAR BRAKE" on page 4-44.
a
EAS21280
CHECKING THE FRONT BRAKE HOSES
1. Check:
• Brake hose "1"
Cracks/damage/wear → Replace.
3-12
Limit
4.6 mm (0.18 in)
a
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