Evinrude 1960 Lightwin 3 HP

by Larry
(Watertown, WI)

I'm getting a lot of oil in the barrel I'm testing my 1960 Evinrude. I used a 25:1 ratio about 5.4 ozs of oil to 1 gallon of gas. That's what the info I've found on this motor calls for...but, the person I talked to is a professional re-builder of old boat motors with 25 years of experience, and he said to use 35:1.
Question is...is he right, and that's why so much oil in the barrel? Or is there another problem here?
I can't get it to run in high speed position unless I turn the high speed needle to almost closed, the it speeds way up and promptly quits. What's with that anyhow?

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Jul 12, 2023
Rating
starstarstarstarstar 		Oil to gas ratio
by: Larry

I appreciate everyone's input...but, I now have 3 different opinions of the fuel to oil ratio with no consensus. Yet, all your opinions are logical.
Jul 12, 2023
Rating
starstarstarstarstar 		Excessive oil.
by: Anonymous

Factory recommend 1958 and up. 20-1 ratio.
Jul 12, 2023
Rating
starstarstarstarstar 		Excessive oil.
by: Anonymous

My recommendation is 20 to 1. Fresh gas. Worked at our shop for 23 years. Never lost a motor unless a customer forgot to add oil to fuel…

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