SERVICING INFORMATION
7-3
Complaint
Symptom and possible causes
Remedy
Engine idles poorly.
1. Worn cylinder.
Replace.
2. Worn piston rings.
Replace.
3. Stiff piston ring.
Replace.
4. Gas leaks from crankshaft oil seal.
Replace.
5. Excessive spark plug gap.
Adjust or replace.
6. Defective ignition coil.
Replace.
7. Defective generator coil.
Replace.
8. Incorrect float chamber fuel level.
Adjust float height.
9. Clogged carburetor jet.
Clean.
10. Broken or damaged reed valve.
Replace.
Engine runs poorly in
1. Worn cylinder.
Replace.
high-speed range.
2. Worn piston rings.
Replace.
3. Stiff piston ring.
Replace.
4. Insufficient spark plug gap.
Regap or replace.
5. Ignition not advanced sufficiently due to poorly working
Replace.
timing advance circuit.
6. Defective generator coil.
Replace.
7. Low float chamber fuel level.
Adjust float height
8. Dirty air cleaner element.
Clean.
9. Clogged fuel hose, resulting in inadequate fuel supply
Clean and prime.
to the carburetor.
10. Clogged fuel valve.
Clean.
Exhaust smoke is dirty or
1. Incorrect engine oil.
Change.
thick.
Engine lacks power.
1. Worn cylinder.
Replace.
2. Worn piston rings.
Replace.
3. Stiff piston rings.
Replace.
4. Gas leaks from crankshaft oil seal.
Replace.
5. Insufficient spark plug gap.
Regap or replace.
6. Clogged carburetor jet.
Clean.
7. Incorrect float chamber fuel level.
Adjust float height.
8. Clogged air cleaner element.
Clean.
9. Fouled spark plug.
Clean or replace.
10. Air leakage from intake pipe.
Tighten or replace.
11. Slipping or worn drive belt.
Replace.
12. Damaged or worn rollers in the movable drive face.
Replace.
13. Weakened movable driven face spring.
Replace.
14. Rich air/fuel mixture due to defective starter system.
Replace.
Engine overheats.
1. Carbon build-up on piston crown.
Clean.
2. Defective oil pump or clogged oil circuit.
Clean or replace.
3. Low float chamber fuel level.
Adjust float height.
4. Air leakage from intake pipe.
Tighten or replace.
5. Incorrect engine oil.
Change.
6. Incorrect spark plug.
Change.
7. Clogged exhaust pipe/muffler.
Clean or replace.
Содержание UG110 2021
Страница 1: ...UG110 9 9 5 0 0 1 1 1 8 0 0 1 E...
Страница 27: ...2 14 PERIODIC MAINTENANCE...
Страница 147: ...6 6 ELECTRICAL SYSTEM 6 7 6 7 6 8 6 8 TROUBLESHOOTING...
Страница 183: ...SERVICING INFORMATION 7 11 Cable guide Speedometer cable Cable guide Speedometer cable Cable guide Speedometer gear box...
Страница 197: ...Prepared by Motorcycle Service Department November 1999 Part No 99500 11180 01E Printed in Japan 200...
Страница 198: ...Printed in Japan Y TK...
