Suzuki VZR1800 2007, Service Manual

Page: 493 / 609

11-14 SERVICING INFORMATION
CHASSIS
Complaint Symptom and possible causes Remedy
Heavy steering 1. Overtightened steering stem nut
2. Broken bearing in steering stem
3. Distorted steering stem
4. Not enough pressure in tires Adjust.
Replace.
Replace.
Adjust.
Wobbly handlebars 1. Loss of balance between right and left front forks
2. Distorted front fork
3. Distorted front axle or crooked tire
4. Loose steering stem nut
5. Worn or incorrect tire or wrong tire pressure
6. Worn bearing/race in steering stem Adjust.
Repair or replace.
Replace.
Adjust.
Adjust or replace.
Replace.
Wobbly front wheel 1. Distorted wheel rim
2. Worn front wheel bearings
3. Defective or incorrect tire
4. Loose axle or axle pinch bolt
5. Incorrect front fork oil level
6. Incorrect front wheel weight balance Replace.
Replace.
Replace.
Retighten.
Adjust.
Adjust.
Front suspension
too soft 1. Weakened springs
2. Not enough fork oil
3. Wrong weight fork oil Replace.
Replenish.
Replace.
Front suspension
too stiff 1. Too viscous fork oil
2. Too much fork oil
3. Bent front axle Replace.
Drain excess oil.
Replace.
Noisy front suspen-
sion 1. Not enough fork oil
2. Loose bolts on suspension Replenish.
Retighten.
Wobbly rear wheel 1. Distorted wheel rim
2. Worn rear wheel bearing or swingarm bearings
3. Defective or incorrect tire
4. Worn swingarm and rear suspension bearings
5. Loose nuts or bolts on rear suspensions Replace.
Replace.
Replace.
Replace.
Retighten.
Rear suspension
too soft 1. Weakened spring of shock absorber
2. Leakage of oil or gas shock absorber
3. Improperly set rear spring pre-load adjuster Replace.
Replace.
Adjust.
Rear suspension
too stiff 1. Bent shock absorber shaft
2. Bent swingarm pivot shaft
3. Worn swingarm and rear suspension bearings
4. Improperly set rear spring pre-load adjuster Replace.
Replace.
Replace.
Adjust.
Noisy rear suspen-
sion 1. Loose nuts or bolts on rear suspension
2. Worn swingarm and suspension bearings Retighten.
Replace.