Static ohm test results

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  • jona
    • Jan 2026

    #1

    Static ohm test results

    Using an analog meter and the Haynes manual for a guide my
    "Rick's" R/R is fried. Ohm, original, stator leads to the R/R are; W/Bl to W/R=7.7, W/Bl to Y=7.8 and W/R to Y=7.7. I foresee a compu-fire R/R and Rick's stator purchase coming up.
  • posplayr
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    • Dec 2007
    • 23673
    • Tucson Az

    #2
    Originally posted by jona
    Using an analog meter and the Haynes manual for a guide my
    "Rick's" R/R is fried. Ohm, original, stator leads to the R/R are; W/Bl to W/R=7.7, W/Bl to Y=7.8 and W/R to Y=7.7. I foresee a compu-fire R/R and Rick's stator purchase coming up.

    I would double check those results. There are too consistent for being so way off.

    Do the Revised Phase B stator tests? You don't need the dummy load, just do the two sets of tests on the stator.
    A.) phase to phase
    B.) phase to ground
    at 5000 rpm

    A revised test is at this link; The actual test is on Page 6 of 9. We added the leg to ground AC voltage test as this helps isolate insulation breakdowns to ground using the relatively high 60-80 VAC stator voltage when it is open loop.

    Link to Revised PHASE B of Stator Pages with discussion of testing methods:
    http://www.keepandshare.com/doc/3977...4-pm-649k?da=y

    Did you do a quick test to start? (for a sanity check)
    Last edited by posplayr; 05-19-2013, 01:46 PM.

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    • jona

      #3
      Bike not running. Red wire connection between R/R and stator lead melted.

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      • posplayr
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        • Dec 2007
        • 23673
        • Tucson Az

        #4
        Originally posted by jona
        Bike not running. Red wire connection between R/R and stator lead melted.
        Not sure what wire that is. The Main RED(+) should not be connected to any of the stator wires.

        If you are talking about White with red tracer (W/R) then you should at least rewire according to GS Charging Health and see if it is really gone. The Compufire is good but you may not have a burned stator yet. Of course it is safer to change them out if you have the cash.

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        • jona

          #5
          My stator is not wired directly to the R/R. It is original thru the harness. PS Thanks for all your guides posplayr
          Last edited by Guest; 05-19-2013, 02:15 PM.

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          • posplayr
            Forum LongTimer
            GSResource Superstar
            Past Site Supporter
            • Dec 2007
            • 23673
            • Tucson Az

            #6
            Originally posted by jona
            My stator is not wired directly to the R/R. It is original thru the harness.
            Why is it still wired that way? Like to live on the wild side?

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            • jona

              #7
              Sorry getting back to you so slowly. Reading your "GS charging health", now I'm printing it. When I get my new stator and R/R I will wire it directly. What do you do with the old wires? Just snip them off?

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              • posplayr
                Forum LongTimer
                GSResource Superstar
                Past Site Supporter
                • Dec 2007
                • 23673
                • Tucson Az

                #8
                Originally posted by jona
                Sorry getting back to you so slowly. Reading your "GS charging health", now I'm printing it. When I get my new stator and R/R I will wire it directly. What do you do with the old wires? Just snip them off?

                The old wires run to the headlamp bucket where they are looped back. I snipped the wire and now have two spare wires in my harness to run from front to back.

                I used one of them as part of a coil relay mod to get the kill switch O/W signal to a ignition relay near the battery.

                Just tape/heat shrink them back. That shows in the first picture. Actually just looked and it is hard to tell because the whole wire color is covered. There are three which I don't know why at the moment.

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                • jona

                  #9
                  Thanks posplayr. I'm going to order compu-fire R/R and Rick's stator tomorrow.

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