Honda BF4A Owner's Manual page 43

3. If you are using the internal fuel
tank, turn the fuel valve lever to the
ON position (BF4A) or internal
fuel tank position (BF5D and
BF6A) (p. 19).
If you are using the portable fuel
tank, turn the fuel valve lever to the
portable fuel tank position (BF5D
and BF6A) (p. 19).
N (neutral)
GEARSHIFT
LEVER
[USA model]
N (neutral)
[Canadian model]
N (neutral)
OPERATION
4. Check the position of the gearshift
lever. It must be in the N (neutral)
position for starting.
The recoil starter will not operate if
the gearshift lever is in the F
(forward) or R (reverse) position.
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