Suzuki GSF650 Service Manual

ABS: 4E-66
DTC “55” (C1655): ABS Control Unit Malfunction
B817H24504023
Troubleshooting
Possible Cause
Faulty ABS control unit
Step Action Yes No
1 1) Inspect the clearances of the front and rear wheel speed
sensor – 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)
Front
Rear
Are the clearances OK?
Go to Step 2. Adjust the clearance.
2 1) Inspect both of the wheel speed sensor rotors for
damage and check that no foreign objects are caught in
the rotor openings.
Are the rotors OK?
Go to Step 3. Clean or replace the
rotor.
(A), (B)
I717H2450009-01
(A), (B)
I717H2450011-01
I718H1450064-01

Suzuki GSF650 Specifications

General

Displacement	656 cc
Bore x Stroke	65.5 mm x 48.7 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Starter	Electric
Transmission	6-speed, constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	160/60ZR17M/C (69W), tubeless
Overall Length	2, 130 mm
Rear Brakes	Disc brake
Fuel Tank Capacity	19.0 L
Wheelbase	1, 470 mm
Seat Height	790 mm
Ground Clearance	135 mm
Engine Type	4-stroke, liquid-cooled, DOHC, 4-cylinder