Carburetor; Chassis; Front Axle - Suzuki GSF650S Service Manual

7-6 SERVICING INFORMATION

CARBURETOR

Complaint
Starting difficulty.
Idling or low-speed
trouble.
Medium-or high
speed trouble
Overflow and fuel
level fluctuations.

CHASSIS

Complaint
Steering is heavy.
Handlebar wobbles.
Front wheel wobbles.
Front suspension too
soft.
Front suspension too
stiff.
Front suspension too
noisy.
Symptom and possible causes
1. Clogged starter jet.
2. Clogged starter jet passage.
3. Air leaking from joint between starter body and carbure-
tor.
4. Air leaking from carburetor joint or vacuum hose joint.
5. Improperly working starter (enricher) plunger.
1. Clogged or loose pilot jet.
2. Clogged or loose pilot air jet.
3. Air leaking from carburetor joint, vacuum pipe joint, or
starter.
4. Clogged pilot outlet port.
5. Clogged bypass port.
6. Starter (enricher) plunger not fully closed.
1. Clogged main jet.
2. Clogged main air jet.
3. Clogged needle jet.
4. Improperly working throttle valve.
5. Clogged fuel filter.
1. Worn or damaged needle valve.
2. Broken needle valve spring.
3. Improperly working float.
4. Foreign matter on the needle valve.
5. Incorrect float chamber fuel level.
Symptom and possible causes
1. Overtightened steering stem nut.
2. Broken bearing/race in steering stem.
3. Distorted steering stem.
4. Low tire pressure.
1. Loss of balance between right and left front forks.
2. Distorted front fork.
3. Distorted front axle.
4. Twisted tire.
1. Distorted wheel rim.
2. Worn front wheel bearing.
3. Defective or incorrect tire.
4. Loose front axle nut.
5. Loose front axle pinch bolt.
6. Incorrect fork oil level.
1. Weak spring.
2. Insufficient fork oil.
1. Excessively viscous fork oil.
2. Excessive fork oil.
1. Insufficient fork oil.
2. Loose front suspension fastener.
Remedy
Clean.
Clean.
Tighten, adjust or replace gas-
ket.
Tighten or replace defective
part.
Adjust.
Clean or tighten.
Clean or tighten.
Tighten or replace defective
part.
Clean.
Clean.
Adjust.
Clean.
Clean.
Clean.
Adjust.
Clean or replace.
Replace.
Replace.
Adjust or replace.
Clean or replace with needle
valve seat.
Adjust float height.
Remedy
Adjust.
Replace.
Replace.
Regulate.
Adjust or replace.
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Tighten.
Tighten.
Adjust.
Replace.
Check level and add.
Replace.
Check level and drain.
Check level and add.
Tighten.