Quote:
Originally Posted by ScubaSteve
Gasoline doesn't really "go bad". Like, it's been sitting in the ground for a few thousand years... it is long since "gone bad". Diesel on the other hand can actually get bacterial blooms in the tank and fuel lines if it sits for a long time. This can cause all sorts of hell. Is it gas or diesel generator?
The bigger worry is letting the engine sit too long. Just start it up for a few minutes every few months to give it a bit of a refresher and to make sure it does work for when power outage does roll around.
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Hate to correct you but YES gas does go bad, it will lose it octane level & get watery. It will kill spark plugs and pistons quickly in small engines. Any gas that is going to be stored for more then 6 months should have a stabilizer added to it. This is why you need to drain fuel out of motorcycles during the winter and I should know as I have 3.