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  1. K

    1959 Johnson Seahorse 5.5 Low Compression

    I have 1959 Johnson Seahorse 5.5 HP that I have been having trouble starting and it sometimes dies out once I do get it running, so I did a compression test. I did the compression test on a cold engine (It wasn't running beforehand) and it was 55 psi in both cylinders after about 4 pulls. They...
  2. K

    1955 Johnson Seahorse 25 HP Buy or No Buy

    I seem to have the disease where I cannot stop buying and restoring these old johnson outboards :) Recently, I saw a 1955 Johnson 25HP for sale for $95. From the pictures, it looks good. I asked the guy about the condition of the outboard and said he said that he does not know, but I am welcome...
  3. K

    1959 Johnson 5.5 Not Pumping Any Water

    I have a 1959 Johnson 5.5HP that I have been trying to get running again. So far I have replaced the head gasket, spark plugs, thermostat, rebuilt the carburetor, and checked the impeller. I got it started today after a few pulls and let it run for about 1 minute but it smoked like crazy and...
  4. K

    1958 and 1959 Johnson Seahorse Saltwater Approved?

    I have two johnson seahorse motors, a 5.5HP from 1959 and a 10HP from 1958. I just got them both in running after 15+ years of storage with the help of iboats forums. I was wondering if these old guys are approved for saltwater use. I didn't seen any muffs I could buy that could flush them...
  5. K

    Head Gasket 5.5HP 1959 Johnson Seahorse

    I have 1959 5.5HP Johnson Seahorse. It has not been pumping water and I recently replaced the impeller, so I took off the head gasket/case and found a piece of gunk inside where the water passes by the cylinders. I removed it and put it back together but have not tested it yet because of the...
  6. K

    1958 Johnson 10HP Motor Cover Installation

    I have a 1958 Johnson 10HP Model QD-19 that I recently got running thanks to the iboats forum. My only trouble is that the motor cover (the hard metal shell kind) does not fit right on the motor. It is the original motor cover, but it sits slanted forward when I put it on and does not sit...
  7. K

    1958 Johnson 10HP QD-19 Starts to Turn Over then Dies

    I have a 1958 Johnson Seahorse 10HP model QD-19. It has been sitting for 15 years and I am trying to get it going again. I have replaced the water pump and the gear oil. I have inspected the coils through the peep hole on the flywheel and I have spark when i turn the flywheel by hand because...
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