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12.8 TROUBLESHOOTING<br />
(1) Engine does not start.<br />
Fuel<br />
l Fuel is not fed -<br />
to carburetor.<br />
II<br />
There is no gasoline<br />
in fuel tank.<br />
Vent knob is not open or<br />
vent clogged.<br />
Fuel filter is clogged.<br />
Fuel line is kinked.<br />
Fuel line is connected<br />
improperly.<br />
Fuel pump is faulty.<br />
primer bulb is faulty.<br />
Check valve in connector<br />
is faulty<br />
clogged.<br />
Electrical<br />
l Sparks across<br />
sparblw gap<br />
Insufficient -<br />
sparks<br />
Spark plug gap is small.<br />
Wcalc starter motor<br />
rotation.<br />
T Normal -<br />
sparks<br />
Recheck the fuel system.<br />
96<br />
l No sparks -<br />
across spark<br />
plug gap<br />
Spark plug -,-,- Contamination<br />
is faulty. L- Incorrect gap L Broken spark plug<br />
lTll<br />
1<br />
Fulser coil is faulty.<br />
Current leaks from<br />
high tension cord.<br />
- C.D.I. unit is faulty.<br />
I I ‘- Exciter coil is faulty.<br />
Ignition coil is faulty.<br />
Wire harness is faulty.<br />
Current leaks from engine stop<br />
switch cord.<br />
Stop switch does not return<br />
satisfactorily.<br />
- Spark plug is improperly installed.<br />
- Emergency stop switch is improperly<br />
installed.<br />
Shift lever is not in N position.
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