Checking The Front Brake Hoses; Checking The Rear Brake Hose; Checking The Wheels; Checking The Tires - Yamaha YZFR1Y(C) 2009 Service Manual

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. Tighten the bleed screw to specification.
Brake caliper bleed screw
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
Master cylinder bleed screw
6 Nm (0.6 m·kgf, 4.3 ft·lbf)
k. Fill the brake fluid reservoir to the proper
level with the recommended 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.
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EAS21280

CHECKING THE FRONT BRAKE HOSES

The following procedure applies to all of the
brake hoses and brake hose clamps.
1. Check:
• Brake hose "1"
Cracks/damage/wear → Replace.
2. Check:
• Brake hose clamp "2"
Loose → Tighten the clamp bolt.
3. Hold the vehicle upright and apply the
brake several times.
4. Check:
• Brake hose
Brake fluid leakage → Replace the dam-
aged hose.
Refer to "FRONT BRAKE" on page 4-30.
PERIODIC MAINTENANCE
EAS21290

CHECKING THE REAR BRAKE HOSE

1. Check:
• Brake hose "1"
Cracks/damage/wear → Replace.
2. Check:
• Brake hose clamp "2"
Loose Connection → Tighten the clamp
bolt.
3. Hold the vehicle upright and apply the front
brake several times.
4. Check:
• Brake hose
Brake fluid leakage → Replace the dam-
aged hose.
Refer to "REAR BRAKE" on page 4-43.
EAS21670

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
replaced, always balance the wheel.
EAS21650

CHECKING THE TIRES

The following procedure applies to both of the
tires.
1. Check:
• Tire pressure
Out of specification → Regulate.
3-17