Honda EU1000i Owner's Manual page 54

Storage Procedure
1. Drain the gasoline.
a. Unscrew the fuel tank cap,remove the debris screen, and empty
the fuel tank into an approved gasoline container using a
commercially available hand siphon. Reinstall the debris screen
and the fuel tank cap.
b. Loosen the cover screw and remove the left side maintenance
cover.
c. Loosen the carburetor drain screw.
d. Drain the gasoline from the carburetor into a suitable container.
e. Remove the spark plug maintenance cover.
f. Remove the spark plug cap.
g. Turn the engine switch to the ON position.
h. Pull the starter grip 3 to 4 times to drain the gasoline from the fuel
pump into a suitable container.
i. Turn the engine switch to the OFF position.
j. Tighten the carburetor drain screw.
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling fuel.
Keep heat, sparks, and flame away.
Handle fuel only outdoors.
Wipe up spills immediately.
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DRAIN SCREW