Re: really old Evinrude Sportwin need to find year
4423 models were made from 1947-1951. They are 3.3HP models. Fuel ratio is 24:1 or 1 quart of modern TC-W3 oil per 6 gal. of gas.(5.3 ounces of oil per gallon). Here's a link to the 1951 model. They should all be the same basic thing..<br /><br />3.3HP<br />2 cylinder<br />39 lbs. = 17.7 Kg<br />6 7/8 x 4 3/4 , 2 blade prop<br />13:18 gear ratio<br /><br /> web page <br /><br />web page 2
