41_ABS
9-297
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 2020
Page 1: ...2020 SERVICE MANUAL YZF R1 YZF R1M YZF1000L YZF1000 YZF1000DL YZF1000D B3L 28197 20 ...
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 88: ...CABLE ROUTING 2 49 Canister A E 1 2 3 4 5 6 B B B C D 7 8 9 10 E F G H E 7 10 11 ...
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 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 335: ...ELECTRIC STARTER 5 52 1 2 3 a b ...
Page 388: ...TRANSMISSION 5 105 ...
Page 406: ...WATER PUMP 6 17 ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 447: ...CHARGING SYSTEM 8 14 ...
Page 451: ...LIGHTING SYSTEM 8 18 ...
Page 486: ...ELECTRICAL COMPONENTS 8 53 ...
Page 495: ......
Page 505: ...SYSTEM DIAGRAM 9 10 ...
Page 531: ...STEERING DAMPER SYSTEM 9 36 ...
Page 815: ...91_ABS 9 320 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 818: ......
Page 819: ......
Page 820: ......