12. TROUBLESHOOTING

(2) Engine starts but immediately stops. Engine some
times stops while cruising.
Fuel
l
No gasoline in fuel tank.
l
There is gasoline -
in fuel tank.
iii
t
Water is mixed with
gasoline.
Vent knob is not open
or vent is clogged.
- Fuel filter is clogged.
I Air screw is open too

L

wide.
Idling speed is too slow.
- Carburetor vent is
clogged.
- Fuel pump is faulty.
Air in fuel pump.
Air enters through fuel
line connector.
Air enters through primer
bulb.
Engine overheats
l
Normal sparking
IE
Water intake screens
arc clogged.
Spark plug is not of speci-
fied rating.
Water pump is faulty.
Thermostat is clogged.
Thermostat is faulty.
Water tube or passage
is clogged.
Exhaust gas is entering
cooling system.
97