Engine stalling problem

[Wolfeboro_Baja]

Originally Posted by Rubberguy

The presence of ethanol in gas has caused some interesting problems, especially for older carburetors. Because ethanol is a polar molecule, it reacts with the rubber components (usually Nitrile rubber) and causes it to swell abnormally. There is a new sta-bil that is being offered specifically for ethanol containing marine engines. It's fairly expensive, but places like Dave's Motorboat Shoppe offer it.

I have also seen Marine Stabile (blue in color, not to be confused with the red formula) sold at VIP Auto Parts stores and AutoZone stores.