Suzuki GSF650A Service Manual page 528

4E-41 ABS:
Step
2 1) Inspect the clearance between the rear wheel speed
sensor and sensor rotor using the thickness gauge.
Special tool
(A): 09900–20803 (Thickness gauge)
(B): 09900–20806 (Thickness gauge)
Wheel speed sensor – sensor rotor clearance
0.3 – 1.5 mm (0.012 – 0.059 in)
Is the clearance OK?
3 1) Check that the rear wheel speed sensor is mounted
securely.
Is the sensor mounted securely?
Action
(A), (B)
Yes
Go to Step 3.
I717H2450011-01
Replace the ABS
control unit/HU.
I717H2450017-01
No
Adjust the clearance.
Tighten the mounting
bolts or replace the
bracket if necessary.