I have a 1956 evinrude lark 30 hp. I was on the water yesterday after overhauling my lower unit and was not moving foward or backward while in either gera. I thought I may have messed up in the gear Dept. With the prop off I am able to engage into gear just fine. With it on it just slips on...
The cover of this motor says 1Qt. SAE30 for 5 gal. I just bought it from my neighbor who has been putting 8 OZ. 2 cycle per 5 Gal. for a couple of years. I took it out on my maiden voyage mixing as he has and it smoked like George Burns! My estimated full throttle speed was about 1/2 MPH...