Suzuki GSF1250 Service Manual page 531

Step
3 1) Check that the rear wheel speed sensor is mounted
securely.
Is the sensor mounted securely?
4 1) Inspect the rear tire and wheel.
Tire type and size
DUNLOP D218N 180/55ZR17M/C (73W)
Cold inflation tire pressure (Solo riding)
290 kPa (2.90 kgf/cm
Cold inflation tire pressure (Dual riding)
290 kPa (2.90 kgf/cm
Wheel runout
Service limit (axial and radial): 2.0 mm (0.08 in)
Are the rear tire type, tire pressure and wheel runout OK?
Action
I718H1450068-01
2 , 42 psi)
2 , 42 psi)
I718H1450069-01
Yes
Go to Step 4.
Replace the ABS
control unit/HU.
ABS: 4E-38
No
Tighten the mounting
bolts or replace the
bracket if necessary.
Adjust or replace the
rear tire and wheel.