Honda EU30is Owner's Manual page 20

Recommended Fuel
Unleaded gasoline
Research octane rating 91 or higher
Pump octane rating 86 or higher
This engine is certified to operate on unleaded gasoline with a research octane
rating of 91 or higher (a pump octane rating of 86 or higher).
Fuel specification(s) necessary to maintain the performance of the emissions
control system: E10 fuel referenced in EU regulation.
Never use gasoline that is stale, contaminated, or mixed with oil. Avoid getting
dirt or water in the fuel tank.
• 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 area where the engine is refueled or where
gasoline is stored.
• Do not overfill the fuel tank (there should be no fuel above the upper
level mark). After refueling, make sure the fuel filler 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.
• Avoid repeated or prolonged contact with skin or breathing of vapor.
KEEP OUT OF REACH OF CHILDREN.
FULL
EMPTY
LEVEL GAUGE
FUEL FILLER CAP
UPPER LEVEL MARK
(RED)
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