The use of Star Tron if any fuel with ethanol was present in the tank in the riding season. It is also a verry good fuel stabilizer. Star Tron Enzyme Fuel Treatment Gas Additive Small Engine (starbrite.com)

Sea Foam to stabilize and to clean fuel system. XF is not in use for 6 Months each Year. Motor is shut off in mid November for the last time. First start after Winter is in mid April.

Some time I use both of them together . . .

Daniel