Honda Automobiles BF2D Owner's Manual page 32

OPERATION
2. Push the engine stop switch button until the engine stops.
SWITCH
In the event that the engine does not stop when you push the engine stop
switch, pull the emergency engine stop switch lanyard. If the engine continues
to run, move the fuel valve lever to the OFF position and pull the choke knob
to stop the engine.
3. Move the fuel valve lever to the OFF position.
FUEL VALVE LEVER
FF
4. Close the fuel tank vent by turning vent knob clockwise.
FUEL CAP VENT KNOB
30