Honda EB2000i Owner's Manual page 82

INITIAL USE INSTRUCTIONS
2.Add fuel carefully to avoid spilling fuel. Do not fill the fuel tank above
the upper level mark (red) on the fuel filter.
UPPER LEVEL MARK (RED)
FUEL FILTER
TETHER
Fuel can damage paint and plastic. Be careful not to spill fuel when
filling your fuel tank. Damage caused by spilled fuel is not covered
under warranty.
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