Suzuki GSF650S - Chassis Troubleshooting

SERVICING INFORMATION 7-7
BRAKES
Complaint Symptom and possible causes Remedy
Rear wheel wobbles. 1. Distorted wheel rim.
2. Worn rear wheel bearing.
3. Defective or incorrect tire.
4. Worn swingarm bearing.
5. Worn rear suspension bush.
6. Loose rear suspension fastener.
Replace.
Replace.
Replace.
Replace.
Replace.
Tighten.
Rear suspension too
soft
1. Weak rear shock absorber spring.
2. Rear shock absorber leaks oil.
3. Improper suspension setting.
Replace.
Replace.
Adjust.
Rear suspension too
stiff
1. Improper suspension setting.
2. Bent rear shock absorber shaft.
3. Bent swingarm.
4. Worn swingarm and rear suspension related bearings.
Adjust.
Replace.
Replace.
Replace.
Rear suspension too
noisy.
1. Loose rear suspension fastener.
2. Worn rear suspension bush.
3. Worn swingarm bearing.
Tighten.
Replace.
Replace.
Complaint Symptom and possible causes Remedy
Brake power
insufficient.
1. Leakage of brake fluid.
2. Worn brake pad.
3. Oil on brake pad surface.
4. Worn brake disc.
5. Air in hydraulic system.
Repair or replace.
Replace.
Clean brake disc and brake
pads.
Replace.
Bleed.
Brake squeaks. 1. Carbon adhesion on brake pad surface.
2. Tilted brake pad.
3. Damaged wheel bearing.
4. Worn brake pad.
5. Foreign material in brake fluid.
6. Clogged return port of master cylinder.
7. Loose front or rear axle.
Clean surface with sandpaper.
Readjust brake pad position or
replace.
Replace.
Replace.
Change brake fluid.
Disassemble and clean master
cylinder.
Tighten.
Brake lever or pedal
stroke excessive.
1. Air in hydraulic system.
2. Insufficient brake fluid.
3. Incorrect brake fluid.
Bleed.
Check level and add. Bleed
any air.
Change.
Brake fluid leaks. 1. Loose connection joint.
2. Cracked hose.
3. Worn piston seal.
4. Worn secondary cup.
Tighten.
Replace.
Replace.
Replace.
Brake drags. 1. Rusty part.
2. Insufficient brake lever or brake pedal pivot lubrication.
Clean and lubricate.
Lubricate.