Honda EB4000 Owner's Manual page 31

a. Remove the spark plug cover and cap. Clean any dirt form around
the spark plug base, then remove the spark plug.
b. Install the spark plug in the plug cap.
c. Turn the engine switch on.
d. Grounding the side electrode to the stay, pull the recoil starter to see
if sparks jump across the gap.
GROUNDING -
STAY
STARTER
GRIP
ENGINE
SWITCH
e. If there are no sparks, replace the plug.
If OK, try to start the engine according to the instructions.
8. If the engine still does not start, take the generator to the dealer.
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