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41_ABS
9-280
EAS20694
41_ABS
EAS33331
TROUBLESHOOTING
Item
Front wheel ABS (intermittent wheel speed pulses or incorrect depressurization)
Procedure
1. Incorrect installation of the front wheel sensor
• Check the components for looseness, distortion, and bends.
Refer to “MAINTENANCE OF THE FRONT WHEEL SENSOR AND SENSOR ROTOR” on page
4-40.
2. Incorrect rotation of the front wheel
• Check that there is no brake disc drag on the wheel and make sure that it rotates smoothly.
Refer to “CHECKING THE FRONT WHEEL” on page 4-38 and “CHECKING THE FRONT BRAKE
DISCS” on page 4-57.
3. Front brake dragging
• Check that the brake fluid pressure is correctly transmitted to the brake caliper when the brake lever
is operated and that the pressure decreases when the lever is released.
Refer to “CHECKING THE FRONT BRAKE DISCS” on page 4-57.
4. Defective hydraulic unit assembly
• Replace the hydraulic unit assembly.
Refer to “ABS (Anti-lock Brake System)” on page 4-74.
Is check result OK
?
YES
→
Go to step 2.
NO
→
Repair or replace the defective part.
Is check result OK
?
YES
→
Go to step 3.
NO
→
Repair or replace the defective part.
Is check result OK
?
YES
→
Go to step 4.
NO
→
Repair or replace the defective part.
Summary of Contents for YZF-R1
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 144: ...PERIODIC MAINTENANCE 3 37 ...
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 336: ...ELECTRIC STARTER 5 53 1 2 3 a b ...
Page 406: ...WATER PUMP 6 17 ...
Page 432: ...AIR INDUCTION SYSTEM 7 25 ...
Page 435: ......
Page 441: ...IGNITION SYSTEM 8 6 ...
Page 449: ...CHARGING SYSTEM 8 14 ...
Page 453: ...LIGHTING SYSTEM 8 18 ...
Page 488: ...ELECTRICAL COMPONENTS 8 53 ...
Page 497: ......
Page 507: ...SYSTEM DIAGRAM 9 10 ...
Page 525: ...STEERING DAMPER SYSTEM 9 28 ...
Page 800: ...91_ABS 9 303 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 801: ...91_ABS 9 304 ...
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