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    tune up of Johnson 3HP 1952-54

    I have a Johnson Seahorse 3hp motor that I just did a minor tune up on. I replaced the float valve assembly, replaced the plugs, etc and cleaned the carb out well. When I put everything back together and opened the fuel it began leaking from a small hole on the bottom of the silencer just by...
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    Johnson Sea Horse 3 Model Number?

    Just purchased an old Johnson Sea Horse 3HP and want to now how old it is. I want to get a manual for it. The problem is that I cannot locate the model number anywhere on the motor. I've looked all over and all I can find is the serial number 3012-51081. Any suggestions.
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