Search results

  1. M

    57' Johnson seahorse 7.5hp delay to full power

    Hey all, i rebuilt a 1957 johnson seahorse 7.5hp motor and installed a new impellor, new points and condensors, and also new gasket around the carb. (Carb was cleaned but was extremely clean to begin with. Motor starts one pull and idles perfectly. The problem i have is that when you give it...
  2. M

    1957 Johnson Seahorse 7.5 AD-11 won't run!

    Hey all, I have picked up a 1957 johnson seahorse 7.5 AD-11 but can't seem to get it running! I have replaced the spark plugs with the proper plugs, I am getting spark, I have visualized the coils x2? which seem to be intact. Both spark plug wires are in correct place. I am getting good...
  3. M

    oil:gas ratio 1957 Johnson Seahorse 7.5hp

    Hey all, I recently inherited a 1957 Johnson seahorse 7.5 outboard. I have the original manual that came with the motor and when I do the math works out to a 20:1 ratio gas to oil. After looking online I have seen anything from 16:1, 20:1, 25:1, and 50:1. What are people's recommendations? I...
Top