Checking The Rear Brake Pads; Checking The Front Brake Hoses; Checking The Rear Brake Hose - Yamaha YZF-R1 Series Service Manual

air must be removed by bleeding the brake
system. Air in the brake system will consid-
erably reduce braking performance.
ECA13510
NOTICE
After adjusting the brake pedal position,
make sure there is no brake drag.
a
b
2. Adjust:
• Rear brake light switch
Refer to "ADJUSTING THE REAR BRAKE
LIGHT SWITCH" on page 3-35.
EAS30634

CHECKING THE REAR BRAKE PADS

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 4-63.
a a
EAS30635

CHECKING THE FRONT BRAKE HOSES

The following procedure applies to all of the
brake hoses and brake hose holders.
1. Check:
• Brake hose "1"
Cracks/damage/wear → Replace.
2. Check:
• Brake hose surface
3. Check:
• Brake hose holder "2"
2
1
4. Hold the vehicle upright and apply the brake
5. Check:
• Brake hose
EAS30636

CHECKING THE REAR BRAKE HOSE

1. Check:
• Brake hose "1"
2. Check:
• Brake hose holder "2"
3. Hold the vehicle upright and apply the rear
4. Check:
• Brake hose
3-15
PERIODIC MAINTENANCE
Partly blackened surface on the brake hose
→ Replace.
Loose → Tighten the holder bolt.
1
several times.
Brake fluid leakage → Replace the damaged
hose.
Refer to "FRONT BRAKE" on page 4-52.
Cracks/damage/wear → Replace.
Loose connection → Tighten the holder bolt.
2
brake several times.
Brake fluid leakage → Replace the damaged
hose.
Refer to "REAR BRAKE" on page 4-63.
2
1
2
1
2
1