inspectorcritic
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- Dec 13, 2015
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Carburetors f'd up by ethanol gas is another possibility that can result in lean running.
Once we got etoh in gas, i couldnt keep a weedeater running.
I only use canned fuel in my weedeater and chainsaw now. Unless you use it EVERY day, ethanol is a nightmare in small engine carburetors. I only run ethanol free in my outboards also.
Then....theres too much ethanol. More than 10% will result in higher cyl temps and varnish buildup inside engines. Mercury outboards did extensive testing.....running only 15% etoh killed engines in as little as 300 hrs... ..when 10% has no effect. There was varnish and carbon buildup on rods rings valves, etc. On top of that....etoh blends are poorly controlled and you can easily get much more than 10%. People using test kits have found even 30 or 40% ethanol in their gas before.
the best thing you can do for every engine is stay as far away from ethanol as possible. That E88 at pump is 15% ethanol.
I found one 2 stroke oil that suppresses the ethanol they sell it at Lowes.