Suzuki GZ250 Marauder Service Manual page 201

Complaint
Engine overheats.
CARBURETOR
Complaint
Starting difficulty.
Idling or low-speed
trouble.
Medium-or high
speed trouble.
Overflow and fuel
level fluctuations.
CHASSIS
Complaint
Steering is heavy.
Handlebars
wobbles.
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Symptom and possible causes
1. Heavy carbon deposit on piston crown.
2. Not enough oil in the engine.
3. Defective oil pump or clogged oil circuit.
4. Too low in float chambers fuel level.
5. Sucking air from intake pipe.
6. Use incorrect engine oil.
7. Clogged air Intake with dust.
Symptom and possible causes
1. Clogged fuel pipe.
2. Air leaking from joint between starter body and car
buretor.
3. Air leaking from carburetor joint.
4. Improperly working starter plunger.
1. Clogged or loose pilot jet.
2. Air leaking from carburetor joint.
3. Clogged pilot outlet port.
4. Clogged bypass port.
5. Starter plunger not fully closed.
1. Clogged main jet.
2. Clogged needle jet.
3. Improperly working throttle valve.
4. 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 fork
legs.
2. Distorted front fork.
3. Distorted front axle.
4. Twisted tire.
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SERVICING INFORMATION 7-4
Remedy
Clean.
Add oil.
Replace or clean.
Adjust.
Retighten or replace.
Change.
Clean.
Remedy
Clean.
Tighten, adjust or replace
gasket. Tighten or replace
defective parts. Adjust.
Clean or tighten. Tighten or
replace defective part.
Clean. Clean. Adjust.
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.