Honda HSS928A Owner's Manual page 60

STORAGE
After adding a fuel stabilizer, run the engine outdoors for 10 minutes
to be sure that treated gasoline has replaced the untreated gasoline in
the carburetor.
Service according to the table below:
STORAGE TIME
Less than 1 month
1 to 3 months
More than 3 months
58
RECOMMENDED SEVICE PROCEDURE TO
PREVENT HARD STARTING
Fill with fresh gasoline to prevent moisture buildup
Fill with fresh gasoline and add gasoline stabilizer
according to the manufacturers instructions.
With the fuel valve in the OFF position, start the
engine and let run until the engine stops.
Drain the fuel tank and carburetor (page 59).