Quote:
Originally Posted by Ryland
A sealed gas can or gas tank will keep gas much longer, so some lawn mowers will have their gas go bad much quicker then others, depending on how everything is vented.
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I have several 5 gal cans of e10 gas, some of which is at least a year old. I use it for my lawn equipment. As long as the can is well sealed, it works fine and I haven't noticed any difference, no matter how old the gas is. One of my vehicles is garaged in storage for about 8 months of the year. Again, it always runs well with no difference when I put it back on the road.
I don't believe in fuel stabilizer additives, and I don't use them. However, I do empty out the fuel tank on my snowblower and lawnmower before storing them out of season. I've noticed that storing them with relatively little gas in their vented fuel tanks tends to evaporate and leave gunk deposits in fuel tanks and carburetors.