14
Engine Troubleshooting
If your engine fails to start after the preceding starting procedures
please check the following.
Symptom Diagnosis Fix
Engine
does not
fire
Ignition battery low Charge or
replace battery
Engine
starts,
then rpm
increases
till engine
cuts out
Fuel not reaching
engine
Check for:
a) fuel in tank
b) fuel tubing
cut, blocked,
or kinked
c) carburetor
clogged
Battery wires faulty Replace wires or
Re-connect/check
connections
Faulty or fouled
spark plug or not
firing
Replace spark plug
or check for spark *
Engine flooded Remove plug,
rotate prop to
remove fuel
* This can be done by removing the spark plug from the cylinder
and contacting the plug on the outside of the crankcase. Have an
assistant turn the engine over while checking this and be sure to
have the spark plug fi rmly plugged into the ignition wire. Warning
the high voltage from the ignition can cause bodily harm, especially
when checking for spark in this manner.
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