Troubleshooting - Honda EM3500SX Owner's Manual

When the engine will not start:
Is there fuel in the
tank?
YES
Is there enough oil
in the engine?
YES
Is there a spark
f rom the spark
plug?
Be sure there is no
spilled fuel around the
spark plug. Spilled fuel
may ignite.
YES
Is the fuel reaching
the carburetor?
YES
If the engine still
does not start, take
the generator to an
authorized Honda
generator dealer.
NO
NO
NO
R e p l a c e t h e
spark plug.
To check:
1) Remove the spark
plug cap and clean
any dirt from around
the spark plug.
2) Remove the spark
plug and install the
spark plug in the
plug cap.
3) Set the plug side
elect rode on the
cylinder head.
4) Crank the engine,
sparks should jump
across the gap.
NO
To check:
1) Turn off the engine
switch and loosen
the drain screw.
2) Turn the fuel valve to
ON. Fuel should flow
from the drain when
the fuel valve is
turned ON.

TROUBLESHOOTING

Refill the fuel tank.
Add the recom-
mended oil.
Still NO spark
Take the generator
to an authorized
Honda generator
dealer.
Clean the fuel
sediment cup.
DRAIN SCREW
45