
ABS (ANTI-LOCK BRAKE SYSTEM)
8-127
Fault code No.
74
Symptom
Difference between the actual hydraulic pres-
sure and the hydraulic pressure required by the
unified brake system is abnormal.
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
confirmation
method
1
Brake master cylinder and brake cali-
per
• Check that the hydraulic pres-
sure is correctly transmitted to
the brake caliper when the
brake pedal is operated and
that the pressure decreases
when the pedal is released.
Perform hy-
draulic unit op-
eration test 1
and check that
the operation of
the hydraulic
unit is normal.
2
Brake fluid
• Visually check the brake fluid in
the brake fluid reservoir for wa-
ter, foreign materials, solidifica-
tion, and contamination.
• Check for air in the brake lines.
3
Brake lines
• Check the brake lines for kinks
and deterioration (particularly
between the hydraulic unit and
the rear brake caliper).
WARNING
EWA23P1020
Only use genuine Yamaha
parts. Using other brake pipes,
hoses and union bolts may
close the brake lines.
• Check that the connections of
the brake lines from the brake
master cylinder to the hydraulic
unit are correct.
See WARNING and TIP.
4
Hydraulic unit assembly
If the malfunction is not corrected
after checking items (1) to (3), re-
place the hydraulic unit assembly.
Be sure to connect the brake
hoses, hydraulic unit brake pipe
joint, brake pipes, and coupler
correctly and securely. Check the
hydraulic unit operation.
Refer to “HYDRAULIC UNIT OP-
ERATION TESTS” on page 4-71.
2
1
Summary of Contents for XT1200Z(Z) 2010
Page 1: ...2010 SERVICE MANUAL XT1200Z Z 23P 28197 E0 ...
Page 6: ......
Page 8: ......
Page 70: ...ENGINE SPECIFICATIONS 2 9 Final gear backlash 0 20 0 40 mm 0 008 0 016 in ...
Page 88: ...TIGHTENING TORQUES 2 27 2 1 ...
Page 100: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 Oil pump left side view 8 2 1 3 4 5 6 7 ...
Page 102: ...COOLING SYSTEM DIAGRAMS 2 41 EAS20420 COOLING SYSTEM DIAGRAMS 4 2 5 1 4 2 3 8 7 6 3 4 ...
Page 112: ...CABLE ROUTING 2 51 Fuel tank and throttle bodies left side view A B C D E F G 1 2 3 3 5 3 4 6 ...
Page 124: ...CABLE ROUTING 2 63 Engine right side view A 1 2 3 4 5 6 3 3 4 5 5 C E F B 6 7 G D ...
Page 132: ...CABLE ROUTING 2 71 Rear fender top view A B C D E E F G 1 1 2 2 3 4 5 6 H I J 1 2 3 4 6 7 4 3 ...
Page 134: ...CABLE ROUTING 2 73 ...
Page 137: ......
Page 292: ...SHAFT DRIVE 4 119 ...
Page 337: ...CYLINDER AND PISTONS 5 42 1 ...
Page 432: ...WATER PUMP 6 11 ...
Page 449: ......
Page 455: ...IGNITION SYSTEM 8 6 ...
Page 461: ...ELECTRIC STARTING SYSTEM 8 12 ...
Page 463: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 3 Main fuse 4 Battery ...
Page 465: ...CHARGING SYSTEM 8 16 ...
Page 527: ...FUEL PUMP SYSTEM 8 78 ...
Page 536: ...IMMOBILIZER SYSTEM 8 87 a Light on b Light off ...
Page 537: ...IMMOBILIZER SYSTEM 8 88 ...
Page 541: ...ABS ANTI LOCK BRAKE SYSTEM 8 92 ...
Page 581: ...ABS ANTI LOCK BRAKE SYSTEM 8 132 ...
Page 584: ...ELECTRICAL COMPONENTS 8 135 1 2 3 4 5 6 7 8 10 9 11 13 15 14 16 12 17 18 19 ...
Page 606: ...ELECTRICAL COMPONENTS 8 157 ...
Page 613: ......
Page 614: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...