12. TROUBLESHOOTING
(1) Engine does not start.
Fuel
l
Fuel is not fed
to carburetor.
E
There is no gasoline
in fuel tank.
Vent knob is not open or
vent clogged.
Fuel filter is clogged.
Fuel line is kinked.
Fuel line is connected
improperly.
Fuel pomp is faulty.
Primer bulb is faulty.
Check valve in connector
is faulty
l
Fuel is fed to
carburetor.
Electrical
l
Sparks across
Insufficient - Spark plug gap is small.
spark plug gap
sparks
Weak starter motor
rotation-weak battery.
Nomal
- Recheck the fuel system.
sparks
130
l
No sparks
across spark
plug gap
Contamination
Incorrect gap
Broken spark plug
Pulser coil is faulty.
Current leaks from
high tension cord.
C.D.I. unit is faulty.
Ignition coil is faulty.
Wire harness is faulty.
Neutral switch is faulty.
Current leaks from engine stop
switch cord.
Stop switch does not return
satisfactorily.
Spark plug is improperly installed.
Spark plug cap is improperly installed.
Emergency stop switch clip is improperly
installed.
Shift lever is not in N position.
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