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1963 18 hp Johnson Sea Horse

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  • 1963 18 hp Johnson Sea Horse

    I have a 1963 18 hp Johnson. Is the water supposed to pee out of the side of the engine like most newer outboards or does the water come out of the exhaust. I took it out and ran it for about 30 minutes pretty hard and it ran great. The water was coming out of the exhaust. Also, I have read some places that the fuel mixture was supposed to be 24:1 and 50:1. Which mixture should I be running?

  • #2
    Re: 1963 18 hp Johnson Sea Horse

    24:1 and water comes out with the exhaust. As long as it is you are fine.

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    • #3
      Re: 1963 18 hp Johnson Sea Horse

      If you don't know the age/history of the impeller changing it would be a good thing.

      And if think it's running hot then feel the head after a good run. You should be able to touch it easily for a few seconds. And water should not sizzle on it when splashed on it.
      Steve.

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      • #4
        Re: 1963 18 hp Johnson Sea Horse

        The impeller was recently replaced. I would also like to put an electric start on this motor, any chance to find a good used starter and solenoid for a reasonable price? Thanks for all the info!!!

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        • #5
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          Re: 1963 18 hp Johnson Sea Horse

          There around but rare. You'll have to scour websites. You could also try some of these places as they sell used parts at some:

          sea-way. Com
          outboard-parts. Com
          marinepartsoutlet. Com
          laingsoutboards. Com
          tcoutboard. Com
          fairwindsmarina. com
          salvagemarine. com
          Steve.

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