Troubleshooting; Engine Will Not Start - Briggs & Stratton 21100 Operator's Manual

Troubleshooting

Engine will not start

Out of fuel
• Prime engine
• If engine is cold, ensure choke is set
correctly.
• Add fuel
Engine flooded
• Set choke to FULL CHOKE position and
continue to pull starter handle.
Fouled spark plug/engine fails to
product spark
• Remove spark plug and clean it. Check
the spacing on the electrode and set the
gap to the correct dimension. See
Maintenance Section. If plug is damaged,
replace with a new spark plug.
• Ensure the spark plug is installed and wire
is connected.
Engine is smoking or running rough
There maybe slight oil accumulation in the
•
crankcase upon starting. This is normal.
If excessive smoke or smoke is heavy,
•
ensure choke is in OFF CHOKE position.
Check for fouled spark plug.
•
Check air filter for debris.
•
CAUTION
This engine is shipped from Briggs & Stratton
without oil. If you start the engine without oil, the
engine will be damaged beyond repair and will
not be covered under warranty.
WARNING
•
Ensure fuel cap is in place before
starting engine
• Turn engine OFF and let engine
cool at least 2 minutes before
removing fuel cap.
• Check fuel lines, tank, cap, and
fittings frequently for cracks or
leaks. Replace if necessary.
•
Do not crank engine with spark plug
removed.
CAUTION
If engine is tipped to transport equipment, to
remove debris, to drain oil, etc., keep the spark
plug side of engine up.
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