Run MDR E-Zorb and Sea Foam or Pri G. The E-Zorb will absorb water. It's new and is suppose to stop that water E-10 seperation. Last year I ran Sea Foam and Star Tron. I added some Stabile to the last fill up before winter. Other than some minor little "hiccup" at about 1200 rpm's, no problems with last years fuel. I have a Racor Fuel Water seperator and a I changed the fuel filter (new from last fall prior to winterization) after the "old" gas from last year was used up. She runs as good as new. 2001, F100, Yammi 4 stroke. I would do the same with the 2 stroke. The E-10 is here to stay.