Service Manual (KLZ1000C) — page 390 of 762

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12-50 BRAKES
Anti-Lock Brake System
Wheel Rotation Sensor Inspection
• Remove
  fork.
            the front wheel rotation sensor [A] from the front

• Remove     the rear wheel rotation sensor [B] from the
  caliper bracket.
• Visually inspect the wheel rotation sensors.
  Replace the wheel rotation sensor if it is cracked, bent, or
  otherwise damaged.

Wheel Rotation Sensor Air Gap Inspection
• Raise the front/rear wheel off the ground (see Front Wheel
  Removal(10-6)) (see Rear Wheel Removal(10-7)).
• Measure  the air gap between the sensor and sensor rotor
  at several points by turning the wheel slowly.
   Thickness Gauge [A]
  Air Gap
    Standard:
      Front        0.6  1.4 mm (0.02  0.06 in.)
      Rear         0.7  1.5 mm (0.03  0.06 in.)

                            NOTE
  ○The sensor air gap cannot be adjusted.
  If the air gap is not within the specification, inspect the
  hub bearing (see Hub Bearing Inspection(10-17)), sen-
  sor installation condition and sensor (see Wheel Rotation
  Sensor Inspection(12-50)).