81 gs550 dyna s

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  • 82stang
    • Feb 2026

    #1

    81 gs550 dyna s

    I have a 81 gs550. My igniter is bad and I'm trying to figure out which dyna s I need. I have the factory electronic ignition with mechanical advance. There are no markings on the coil pick up for nd or I'd. What dyna s do I need ?
  • tom203
    Forum Guru
    Past Site Supporter
    • Aug 2010
    • 8925
    • Norway,Maine

    #2
    You need to look for markings on ignitor box to tell what you have.
    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

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    • Nessism
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      Super Site Supporter
      • Mar 2006
      • 35787
      • Torrance, CA

      #3
      ND type
      DS3-2
      Ed

      To measure is to know.

      Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

      Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

      Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

      KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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      • erics75218

        #4
        Not sure where you are located but I ordered one from Dyna directly here in the UK and there is a small discount right now because their website can't process online orders at the moment.

        So now might be the best time to STRIKE!

        Comment

        • 82stang

          #5
          Originally posted by tom203
          You need to look for markings on ignitor box to tell what you have.
          There are no markings on the igniter either and from my research it doesn't matter about the igniter. It's about what one the pick ups is as the mechanical advanced shaft is different.


          Originally posted by Nessism
          ND type
          DS3-2


          Thank you!

          Comment

          • blowerbike
            Forum Guru
            GSResource Superstar
            • Aug 2008
            • 7057
            • Ohio Closer to KY Than Cleveland

            #6
            dynaS= ignitor type don't matter per this thread...

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