Another What year is my motor?

superrman77 · May 16, 2007

Johnson Motor 5 1/2 HP
Model CD-18
Serial 2181925
Also what is the oil/fuel mixture

Thanks

Lubosleftboot · May 16, 2007

Re: Another What year is my motor?

Have a look on here bud

An old motor like that would be either 32:1 or 25:1

superrman77 · May 16, 2007

Re: Another What year is my motor?

Awesome thanks for the help. After checking it is a 1961 model. Now I wonder which ratio to run.

CATransplant · May 16, 2007

Re: Another What year is my motor?

superrman77 said:
Awesome thanks for the help. After checking it is a 1961 model. Now I wonder which ratio to run.

24:1. Don't be tempted to run it at 50:1.