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Honda BF4A Owner's Manual page 85

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Draining the Fuel System
You can avoid fuel deterioration
problems by draining the fuel tank
and carburetor.
1. When using the portable fuel tank
(BF5D and BF6A), turn the portable
fuel tank vent knob
counterclockwise to the open
position (p. 26), disconnect the fuel
hose connectors from the outboard
motor and portable fuel tank (p. 38),
install fuel hose connector cap,
remove the portable fuel filler cap,
drain the gasoline from the portable
fuel tank into a suitable container,
install the portable fuel filler cap
and close the portable fuel tank vent
by turning the vent knob clockwise
all the way (p. 26).
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.
2. Turn the internal fuel tank vent
knob counterclockwise to the open
position (p. 21), remove the fuel
filler cap, and drain the gasoline
from the internal fuel tank into a
suitable container.
3. Install the fuel filler cap.
4. Turn the fuel valve lever to the
OFF position (BF4A) or portable
fuel tank position (BF5D and
BF6A) (p. 19).
5. Unlock and remove the engine
cover (p. 61).
STORAGE
CARBURETOR
DRAIN PORT
DRAIN
SCREW
DRAIN
TUBE
ENGINE UNDER COVER
6. Disconnect the drain tube from the
air guide, then connect it to the
carburetor drain port as shown.
7. With the outboard motor in a
vertical position, place an approved
gasoline container below the fuel
drain outlet, and use a funnel to
avoid spilling fuel.
Loosen the drain screw to drain
fuel from the carburetor.
AIR GUIDE
83

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