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SERVICING
INFORMATION
10·9
Complaint
Symptom and possible causes Remedy
Dirty or heavy
1.
Too much engine oil in the engine.
Check with inspection
exhaust smoke.
window drain out
excess oil.
2. Worn piston rings or cylinders. Replace.
3.
Worn valve guides. Replace.
4.
Scored or scuffed cylinder walls. Replace.
5. Worn valves stems.
Replace.
6. Defective stem seal.
Replace.
7. Worn oil ring side rails.
Replace.
Slipping clutch.
1. Weakened clutch springs.
Replace.
2.
Worn or distorted pressure plates. Replace.
3. Distorted clutch plates or pressure plates. Replace.
Dragging clutch.
1. Some clutch spring weakened while others Replace.
are not.
2.
Distorted pressure plates or clutch plates. Replace.
Transmission will
1. Broken gearshift cam. Replace.
not shift. 2. Distorted gearshift forks.
Replace.
3. Worn gearshift pawl.
Replace.
Transmission will 1. Broken return spring on shift shaft.
Replace.
not shift back. 2. Rubbing or stickily shift shaft.
Repair or replace.
3. Distorted or worn gearshift forks. Replace.
Transmission jumps 1. Worn shifting gears on driveshaft or
Replace.
out of gear. countershaft.
2. Distorted or worn gearshift forks. Replace.
3. Weakened stopper spring on gearshift stopper. Replace.
4.
Worn gearshift cam plate. Replace.
RADIATOR (COOLING SYSTEM)
Complaint
Symptom and possible causes Remedy
Engine overheats.
1. Not enough engine coolant.
Add coolant.
2.
Clogged with dirt or trashes radiator core. Clean.
3. Faulty cooling fan.
Repair or replace.
4.
Defective cooling fan thermo-switch. Replace.
5. Clogged water passage. Clean.
6. Air trapped in the cooling circuit.
Bleed out air.
7. Defective water pump.
Replace.
8. Use incorrect coolant.
Replace.
9. Defective thermostat.
Replace.
Engine overcools.
1. Defective cooling fan thermo-switch.
Replace.
2. Extremely cold weather.
Put on the radiator cover.
3. Defective thermostat.
Replace.