Honda 2009 GOLDWING GL1800 Owner's Manual page 168

Fuel
filler neck
4. Add fuel until the level reaches the bottom of the filler neck.
Avoid overfilling the tank. There should be no fuel in the filler neck.
5. After refueling, be sure to tighten the fuel fill cap firmly by turning it
clockwise until it clicks.
6. Close the fuel fill compartment.
7. Remove the key from the fuel fill compartment.
162
Servicing Your Honda
Gasoline is highly flammable
and explosive. You can be
burned or seriously injured
when handling fuel.
Stop the engine and keep
heat, sparks and flame away.
Handle fuel only outdoors.
Wipe up spills immediately.