Honda WB20XT Manual page 4

To ensure safe operation
Gasoline is extremely flammable and is explosive under certain
conditions.
Refuel in a well-ventilated area with the engine stopped. Do not
smoke or allow flames or sparks in the refueling area or where
gasoline is stored.
Do not overfill the tank. After refueling, make sure the tank cap is
closed properly and securely.
Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor
may ignite. If any fuel is spilled, make sure the area is dry before
starting the engine.
Never run the engine in an enclosed or confined area. Exhaust gas
contains poisonous carbon monoxide gas; exposure can cause loss
of consciousness and may lead to death.
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