Replacement powerhead.

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  • May 11, 2019 at 3:41 pm #175080
    Tinman
    Participant

      US Member

      Hello everyone. I have a 1956 evinrude 10 hp with a bad motor. Have a donor motor from a Johnson. I have to switch heads from the evinrude to the replacement motor because of the the cowl mounts. I’ve cleaned up all the threads inside the replacement block and cleaned up the threads on the head bolts. Question is do I need to lubricate the bolts upon installation. Thanks. Bryan.

      May 11, 2019 at 5:02 pm #175081
      chris-p
      Participant

        You coat the bolts with OMC Gasket Sealing Compound prior to installing and torqueing.

        Ensure that you use the proper torque sequence, in 3 stages.

        First half torque, then 3/4, then the final torque setting.

        Again, ensure that you start at the center bolt, and spiral outwards for each pass.

        May 12, 2019 at 1:47 pm #175125
        Tinman
        Participant

          US Member

          Thank you very much! Appreciate the help. Going to put it together this week hopefully and get it running.

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