Home Forum Ask A Member Mark 20 Question’s

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  • #10880
    reiter
    Participant

      I purchased a Mercury mark 20 that I thought was locked up but I have found the problem is the lower unit. I removed the lower unit and now the power head turns over. I can turn the drive shaft on the lower unit back and forth but it will not turn all the way around. I was wondering what special tools are needed to disassemble the lower unit? I was also wondering if a mark 25 lower unit will work?
      Thanks
      Steve

      #81328
      ronboonville
      Participant

        ]I used this small gland nut packing tool I got off ebay. I had to change the pins but it works. My gear case had the same problem. there is a small magnet in the bottom of the case that had come loose and wedged in the gears.no damage, no problem.


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        #81329
        reiter
        Participant

          Thanks for the information on the magnet. Did you epoxy the magnet back to the case?

          #81332
          ronboonville
          Participant

            yep

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