coil ohms

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  • July 13, 2021 at 11:41 am #242734
    David C
    Participant

      working on my Neptune 1937 0b12a trying to get it running.The eisemann model 61b coil was bad and capacitor was missing.Ive adapted a napa coil by cutting down armature ect.Seems to have weak spark.The secondary ohms are 9300 over the limit from what i read.Most other old outboards are about 3600 ohms.Can anyone give me info on this matter.Thought i had this junk motor under control guess not!!! Thanks D Rowley

      seems to have weak spark

      July 13, 2021 at 11:47 pm #242806
      Mumbles
      Participant

        I’ve had some coils which ohmed out around 7K ohms and I thought that was high but they worked. 9300 seems excessive. What was the NAPA replacement coil, an OMC type?

        July 14, 2021 at 10:31 am #242829
        David C
        Participant

          Its ajohnson evinrude outboard omc made buy Partsrun

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