Suzuki GSF650 Service Manual

2A-1 Suspension General Diagnosis:
Suspension
Suspension General Diagnosis
Diagnostic Information and Procedures
Suspension and Wheel Symptom Diagnosis
B817H22104001
Condition Possible cause Correction / Reference Item
Wobbly front wheel Distorted wheel rim. Replace.
Worn front wheel bearings. Replace.
Defective or incorrect tire. Replace.
Loose front axle nut. Tighten.
Loose front axle pinch bolt. Tighten.
Incorrect fork oil level. Adjust.
Front suspension too soft Weak spring. Replace.
Insufficient fork oil. Check level and add.
wrong weight fork oil. Replace.
Front suspension too stiff Excessively viscous fork oil. Replace.
Excessive fork oil. Check level and drain.
Bent front axle. Replace.
Front suspension too
noisy
Insufficient fork oil. Check level and add.
Loose front suspension fastener. Tighten.
Wobbly rear wheel Distorted wheel rim. Replace.
Worn rear wheel bearing. Replace.
Defective or incorrect tire. Replace.
Worn swingarm bearing. Replace.
Worn rear suspension bushing. Replace.
Loose rear suspension fastener. Tighten.
Rear suspension too soft Weak rear shock absorber spring. Replace.
Rear shock absorber leaks oil. Replace.
Improperly suspension setting. Adjust.
Rear suspension too stiff Improper suspension setting. Adjust.
Bent rear shock absorber shaft. Replace.
Bent swingarm. Replace.
Worn swingarm and rear suspension
related bearings.
Replace.
Rear suspension too
noisy
Loose rear suspension fastener. Tighten.
Worn rear suspension bushing. Replace.
Worn swingarm bearing. Replace.

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