Honda EM5500CX Owner's Manual page 10

Stop the engine before refueling.
Gasoline is extremely flammable and
explosive under certain conditions.
Refuel in a well ventilated area with
the engine stopped.
Keep away from cigarette, smoke and
sparks when refueling the generator.
Always refuel in a well ventilated
location.
Wipe up spilled gasoline at once.
A hot exhaust system can cause serious burns.
Avoid contact if the engine has been running.
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