Pick up coil issue?

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  • DEEBS11
    XS-XJ Guru
    • Feb 2023
    • 1714
    • Connecticut

    #16
    These areas are very suspect. When the rubber outer cover of the wire is cold they can give a false continuity check because the material is condensed and holding the broken pieces together. When the rubber is warm from a hot engine, the now softer material can stretch slightly and separate the inner wire core especially with a vibrating motor and the twist of the advance unit.


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    • DEEBS11
      XS-XJ Guru
      • Feb 2023
      • 1714
      • Connecticut

      #17

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      • Schming
        XS-XJ Guru
        • Jul 2009
        • 2076
        • Pittsburgh,PA

        #18
        Hi shopteach, It is a good preventative measure to isolate the neutral safety switch wire into its own loom. Also remove it from the Molex connector above. This mod helps when riding in wet weather or after washing misfires. Since you have the hard part done makes it an easy job.
        1980 XS1100G "Dolly G" Full Dresser (with a coat of many colors )
        1979 XS1100SF (stock-euro mods planned)
        1984 XV700L Virago (to be hot-modded)
        1983 XJ750MK Midnight Maxim (semi-restored DD)
        1977 XS650D ( patiently awaiting resto)

        Sometimes it takes a whole tank of gas before you can think straight.

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        • Radioguylogs
          XS-XJ Guru
          • Nov 2012
          • 2040
          • Presque Isle, MI

          #19
          Originally posted by Schming
          Hi shopteach, It is a good preventative measure to isolate the neutral safety switch wire into its own loom. Also remove it from the Molex connector above. This mod helps when riding in wet weather or after washing misfires. Since you have the hard part done makes it an easy job.
          I've had two cylinders become mostly dead after washing. I believe this was was the cause. Cleared up after a few days.
          -Mike
          _________
          '79 XS1100SF 20k miles
          '80 XS1100SG 44k miles
          '81 XS1100H Venturer 35k miles
          '79 XS750SF 17k miles
          '85 Honda V65 Magna ~7k miles
          '84 Honda V65 Magna 48k miles (parts bike)
          '86 Yamaha VMAX 9k miles

          Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

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          • bikerphil
            Master of XSology
            • Jan 2008
            • 8754
            • South Flori-DUH

            #20
            I think what is happening with the dropping of 2 cylinders in wet conditions is water gets splashed/directed in the area of the loom connector behind the fuse panel. A solution for this is to wrap the connector with electrical tape in such a way, so no water can enter there.
            2H7 (79) owned since '89
            3H3 owned since '06

            "If it ain't broke, modify it"

            Comment

            • Radioguylogs
              XS-XJ Guru
              • Nov 2012
              • 2040
              • Presque Isle, MI

              #21
              Originally posted by bikerphil
              I think what is happening with the dropping of 2 cylinders in wet conditions is water gets splashed/directed in the area of the loom connector behind the fuse panel. A solution for this is to wrap the connector with electrical tape in such a way, so no water can enter there.
              Makes sense, since the wires are insulated in the other locations.
              -Mike
              _________
              '79 XS1100SF 20k miles
              '80 XS1100SG 44k miles
              '81 XS1100H Venturer 35k miles
              '79 XS750SF 17k miles
              '85 Honda V65 Magna ~7k miles
              '84 Honda V65 Magna 48k miles (parts bike)
              '86 Yamaha VMAX 9k miles

              Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

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