50s johnson 10 hp identification problem

[hallal]

I just purchased my first vintage 50s johnson 10HP motor. The look is awesome and I just needed to get my own.

So my excitment of finding one local may have caused me a big rookie mistake. I was unable to locate the model # when I purchased it. But talking the guy down to $100 and I was willing to gamble. After getting it home I noticed that the LU was painted black covering up the Blue.... suggesting to me it is a swapped out LU from a evinrude??? Does this sound correct. Will this cause any problems?

Now then the paint scheme on the hood suggests to me that it is a 58 and a few other hints... It does have the connector for the dual fuel line and the cool metal hood. The biggest hint to me is it does have the kill button on the front. So I think this narrows it down to the 58. Can anyone else suggest a tell tell sign?

 

[hallal]

Re: 50s johnson 10 hp identification problem

The background on the motor is a bit promising. The guy got the motor with the house he bought. The previous owner left an outbuilding full of mostly junk for the new owner. In it was the motor. The guy eventually came back demanding the motor, but the new owner refused to cough it up. He planned to fix it up himself but lost interest and posted it for sale.

The new owner found a mouse nest in it before posting. The mouse chewed through one of the plug wires and damaged the other along with the wires to the kill button. Compression on the motor came out right around 75 on both cylinders. That is about as much as I know about it right now. I can post a few pics tomorrow if that helps in the identification. I'd like to get started replacing parts but it would be helpful to have the year to order the correct parts.