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Recent content by Madboater

  1. M

    1988 Johnson SPL 48hp J48ESLCCC Drive shaft shim question.

    Hey you guys! Does anyone know if I have to shim the driveshaft on the motor in the title? I don't think there was one there when I took it apart. If I don't what is the worst that can happen. I guess I should ask, how can I tell if I need to shim it? Thanks for any help you can give. Madboater.
  2. M

    Johnson SPL Bearing and Driveshaft Question

    Hello you crazy boat mechanics! So I have a question about the Driveshaft on my 48Hp Johnson SPL. First I'll tell you what happened. I was testing out my carb rebuild and about ten minutes into the run I got the overheat alarm. About 10 seconds after that I lost power and there was a grinding...
  3. M

    1988 Johnson Spl Help

    I’m looking for some guidance on what to do with the engine listed in the title. It is a 48hp with two cylinders. So I finally got the motor running smooth after dual carb rebuilds and a new battery. Took it out on the lake and it was running great for about 5 minutes. Then the buzzer warning...
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