Johnson TN 28

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  • July 23, 2015 at 1:31 pm #2081
    itchy
    Participant

      US Member - 2 Years

      Installed a new motor block in my TN28. After putting the magneto and flywheel back on, found that the flywheel
      catches on the magneto. Can’t find out where or why. Thought I may have turned the base plate on the bottom
      of the magneto, but that is exactly as it was when I took it off. Any ideas would be appreciated.

      July 23, 2015 at 1:54 pm #20696
      pappy
      Participant

        US Member - 2 Years

        The normal culprit is an ignition coil that is not located properly.

        July 23, 2015 at 5:58 pm #20712
        itchy
        Participant

          US Member - 2 Years

          I’ll recheck that. I have another magneto from another TN 28 to compare to – and the flywheel doesn’t catch on that one -forgot I had it. Thanks for your help!

          July 24, 2015 at 3:26 am #20744
          garry-in-michigan
          Participant

            Lifetime Member

            The TN model Johnson has the standard OMC magneto. The coil’s laminated core should line up with the lath turned bosses on the magneto base by the red arrows.

            July 24, 2015 at 8:22 pm #20772
            itchy
            Participant

              US Member - 2 Years

              Most helpful, Garry. Thank you!

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