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post #4 of Old 02-06-2020
pdqaltair
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Re: Gas with alcohol

Quote:
Originally Posted by Waltthesalt View Post
I have an outboard which I seldom use. When I exchanged the gas, a year old, I had leaks in the relatively recent hose and squeeze bulb. The culprit appears to be using gas with alcohol. If you run your engine frequently and the fuel goes thru it's apparently not a problem. Only when the gas sits for a long while.
No, I don't think so.

a. All hoses and bulbs are now ethanol rated.
b. Old ethanol can absorb water, which can lead to separation and corrosion of aluminum, but fresh vs. old is not a factor with elastomers.
c. Use the motor more often.

So long as you close the vent when not in use the gas will not absorb water. If you want to prevent corrosion, add Biobor EB or Stabil Ethanol Marine 360. Many of the others are snake oil.

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