Re: ethanol for 2 cycle engines

Posted by James Rumph on March 10, 2010 at 16:57:37 from (96.27.101.101):

In Reply to: ethanol for 2 cycle engines posted by northeast iowa on March 10, 2010 at 08:50:16:

Ethanol will cause problems for two strokes here"s why.

First off i have for many years raced in many differant motor sports that used methanol as a fuel as well as nitro..

Here in Michigan we snowmobile and we are seeing the results of it on crank seals failing.

On a two stroke you have to use a injection oil or premix that won"t seprate after time, most do.

We used to use Klotz bean oil as it was designed not to seprate with alchol based fuels.

Ethanol , methanol etc etc all dry out rubber seals , needle and seats , o-rings.

We always ran a good pre mix with gas threw our race motors after wards to lube all rubber parts.

Also with ethanol in two strokes the timing needs to be turned up to reap the bennies of the fuel.

Ethanol , methanol will also attract water right threw a gas can. Never store it on the floor...

This is just some of the things i have learned over the years, hope it helps.

If you doubt the crank seal issue call Dees Marine in Michigan and ask for Al , he is the owner.

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