Suzuki GSF600K1 2001, Service Manual

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7-4 SERVICING INFORMATION
Transmission will not
shift back.
Complaint Symptom and possible causes Remedy
1. Broken gearshift shaft return spring.
2. Rubbing or stuck gearshift shaft.
3. Worn or distorted gearshift fork. Replace.
Repair or replace.
Replace.
Transmission jumps out
of gear. 1. Worn gear.
2. Worn or distorted gearshift fork.
3. Weakened gearshift stopper spring.
4. Worn gearshift pawl.
Replace.
Replace.
Replace.
Replace.
Engine idles poorly. 1. Valve clearance out of adjustment.
2. Improper valve seating.
3. Worn valve guide.
4. Worn rocker arm or rocker arm shaft.
5. Excessive spark plug gap.
6. Defective ignition coil.
7. Defective signal generator.
8. Defective ignitor.
9. Incorrect float chamber fuel level.
10. Clogged carburetor jet.
11. Carburetors not synchronized.
Adjust.
Repair or replace.
Replace.
Replace.
Adjust or replace.
Replace.
Replace.
Replace.
Adjust float height.
Clean.
Synchronize.
Engine runs poorly in
high-speed range. 1. Weak valve spring.
2. Worn camshaft.
3. Insufficient spark plug gap.
4. Mistimed valves.
5. Ignition not advanced sufficiently due to poorly
working timing advance circuit.
6. Defective ignition coil.
7. Defective signal generator.
8. Defective ignitor.
9. Low float chamber fuel level.
10. Dirty air cleaner element.
11. Clogged fuel hose, resulting in inadequate fuel sup-
ply to carburetor.
Replace.
Replace.
Regap or replace.
Adjust.
Replace ignitor.
Replace.
Replace.
Replace.
Adjust float height.
Clean or replace.
Clean and prime.
Exhaust smoke is dirty
or thick.
1. Excessive amount of engine oil.
2. Worn cylinder.
3. Worn piston ring.
4. Worn valve guide.
5. Scored or scuffed cylinder wall.
6. Worn valve stem.
7. Defective valve stem oil seal.
8. Worn oil ring side rail.
Check level and drain.
Rebore or replace.
Replace.
Replace.
Rebore or replace.
Replace valve.
Replace.
Replace oil ring.