Honda BF4A Owner's Manual page 82

CLEANING AND FLUSHING
WATER HOSE
CONNECTOR
WATER HOSE
7. After flushing, when using the
internal fuel tank, close the internal
fuel tank vent by turning the vent
knob clockwise all the way (p. 21),
turn the fuel valve lever to the OFF
position (BF4A) or portable fuel
tank position (BF5D and BF6A) (p.
19) and leave the outboard motor in
the running position for one minute
to drain the water from inside the
engine.
80
After flushing, 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, close the internal
fuel tank vent by turning the vent
knob clockwise all the way (p. 21),
close the portable fuel tank vent by
turning the vent knob clockwise all
the way (p. 26) and leave the
outboard motor in the running
position for one minute to drain the
water from inside the engine.
8. Reinstall the flush screw and the
propeller (p. 78).
9. Tilt up the outboard motor (p. 55).