Honda BF200A Owner's Manual page 86

STORAGE
2. Add Honda Marine fuel stabilizer
following the instructions on the
label.
3. After adding a fuel stabilizer, run
the engine in water for 10 minutes
to be sure that the treated gasoline
has replaced the untreated gasoline
in the vapor separator.
4. Turn the engine OFF.
84
Draining the Fuel System
You can avoid fuel deterioration
problems by draining the fuel tank
and vapor separator.
Drain the fuel into an approved fuel
container.
VAPOR DRAIN
SEPARATOR HOSE
DRAIN SCREW
1. Unhook the drain hose from the
clip on the lower left of the head
cover.
2. Set the end of the hose toward the
outside of the engine undercase and
below the level of the vapor 
separator drain screw.
CLIP