9.TROUBLESHOOTING
9-2
5. Check leak indicator hole (in crankcase MAG side-water pump housing area) if
coolant leaks.
Coolant leaking from indicator hole means a damaged water pump
rotary seal. Replace rotary seal (refer to cooling system)..
6. Check condition of hoses and hose clamps fixation.
Hoses are brittle and/or hard. Replace.
Hose clamps are loose. Retighten clamps.
7. Check condition of impeller located on the water pump shaft.
Impeller wirings broken and/or impeller threads are damaged. Replace
(refer to cooling system).
8. Check gasket on water pump housing.
Gasket on water pump housing leaks. Retighten screws and/or replace
gasket.
9. Check cylinder head and/or cylinder base gasket.
Worn out gasket(s) is (are) causing coolant leakage. Replace.
10. Check coolant drain screw on water pump housing MAG side.
Copper ring on drain screw leaks. Retighten screw and/or replace copper
ring.
11. Check intermediate gear(s) behind of PTO cover.
Worn out and/or broken gear(s) is/are causing less coolant supply.
Replace worn out and/or broken gear(s) (refer to bottom end).
12. Check if water pump shaft is seized.
Water pump shaft does not turn. Replace defective part(s).
13. Check cooling fan and connection.
Fan motor faulty. Replace.
Wire harness is brittle or hard (no connection). Replace.
14. Check radiator fan switch and fuse.
Faulty fan switch and/or faulty fuse. Replace defective part(s).
15. Check radiator condition for leakage.
Radiator cracked or deformed. Replace radiator.
16. Check mud/dust in radiator fins.
Radiator fin obstructed, hard air cooling. Clean radiator fins.
MAGNETO SYSTEM
Symptom: BATTERY NOT CHARGING OR CHARGING VOLTAGE INADQUATE
1. Check battery
Battery shows less power. Reload battery.
2. Check magneto for damage and/or electrical failure.
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