i was just reading that other day, its the oxidation that makes it go "bad" meaning it will gum up carbs and what not. carry some sea foam to clean jets
me personally i dont like to store fuel, i mean you get like 5 gallons toss some stabil in it they say its effective for two years, but i swear i had the same gallon gas can for like 3 years now 50:1 mix (it has a stabilizer in the oil) works just fine.
but i think im switching to premixed stuff in cans they sell, i just hate having old gas sitting around
also, with the 5 gallon w/ stabil, after a couple years just toss it in your car and burn it away
My riding mower accepted a 60/40 fresh and 30 year old fuel mix, but with any more than that it had detonation problems. However not fuel injected.
If you want a fuel that doesn't go bad, use propane.
alot of people dont realize you can run mixed fuel in a 4 stroke
i would still recommend if anything to to burn that shit off every couple years
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