long term non-use/storage
I have health issues and have not used my Class B Xplorer230XL since last August. I filled the gas tank and added stabil. I winterized the water system and removed the house batteries. I just found...
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FWIW, in 30 years of professional and shade tree engine mechanics, it “seems” Ethanol gas is good for a few months un treated, maybe a year treated. Non E gas 6 mo plus untreated year plus treated.
AV or race gas 2 years, no treatment.
EFI engines will handle questionable fuel better (not from a performance or detonation standpoint ) because it’s harder to gun up a sealed higher pressure system.
For carb engines they’re more susceptible.
Having a bunch of seasonal use engines around the household. I’ve started running AV gas in the small 2 cycle stuff and things that may sit indefinitely like the backup generator. No need to treat/winterize then. I can turn the chain saw off in February and fire it back up a year later, 2 pulls, no gummed up carb. For example.
The that with untreated 87 pump gas and There’s a great chance that you’ll be pulling the carb apart.
AV or race gas 2 years, no treatment.
EFI engines will handle questionable fuel better (not from a performance or detonation standpoint ) because it’s harder to gun up a sealed higher pressure system.
For carb engines they’re more susceptible.
Having a bunch of seasonal use engines around the household. I’ve started running AV gas in the small 2 cycle stuff and things that may sit indefinitely like the backup generator. No need to treat/winterize then. I can turn the chain saw off in February and fire it back up a year later, 2 pulls, no gummed up carb. For example.
The that with untreated 87 pump gas and There’s a great chance that you’ll be pulling the carb apart.
