Suzuki GZ250 Marauder Service Manual page 199

Complaint
Engine is noisy.
Nois y engine.
Clutch slips.
Clutch drags.
Transmission will
not shift.
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Symptom and possible causes
Excessive valve chatter
1. Excessive valve clearance.
2. Weak or broken valve spring.
3. Worn cam surface.
4. Worn or burnt camshaft journal. Noise
seems to come from the piston
1. Worn piston.
2. Worn cylinder.
3. Carbon build-up in combustion chamber.
4. Worn piston pin or piston pin bore.
5. Worn piston ring or ring groove. Noise
seems to come from the cam chain
1. Stretched cam chain.
2. Worn cam chain sprocket.
3. Improperly working cam chain tension adjuster.
Noise seems to come from the clutch
1. Worn countershaft spline.
2. Worn clutch hub spline.
3. Worn clutch plate teeth.
4. Distorted clutch plate.
5. Worn clutch release bearing.
6. Weak clutch damper.
7. Weak clutch spring. Noise seems to come
from the crankshaft
1. Rattling bearing.
2. Worn or burnt crank pin bearing.
3. Worn or burnt ball bearing. Noise seems to
come from the transmission
1. Worn or rubbing gear.
2. Worn countershaft spline.
3. Worn driveshaft spline.
4. Worn or rubbing primary gear.
5. Worn bearing.
1. Clutch cable out of adjustment.
2. Weak or broken clutch spring.
3. Worn or distorted clutch pressure plate.
4. Distorted clutch plate.
1. Clutch out of adjustment.
2. Some clutch springs are weak, while others are
not.
3. Worn or distorted clutch pressure plate.
4. Distorted clutch plate.
1. Broken gearshift cam.
2. Distorted gearshift fork.
3. Worn gearshift pawl.
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SERVICING INFORMATION 7-2
Remedy
Adjust.
Replace.
Replace.
Replace camshaft.
Replace.
Rebore or replace.
Clean.
Replace.
Replace.
Replace cam chain and
sprocket.
Replace cam chain and
sprocket.
Repair or replace.
Replace countershaft.
Replace clutch hub.
Replace clutch plate.
Replace.
Replace.
Replace primary driven
gear.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace countershaft.
Replace driveshaft.
Replace.
Replace.
Adjust.
Replace.
Replace.
Replace.
Adjust.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.