81 gs 450 electronic ignition upgrades?

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  • swan
    • Dec 2025

    #1

    81 gs 450 electronic ignition upgrades?

    Hi all,

    So my bike randomly loses spark, it will ride for a while I shut it off then nothing, leave it for an hour and it will fire right back up. I've heard this is a common issue with my bike. From what I've seen so far Dynatek has an ignition that eliminates a lot of the clutter that I have on the bike right now but I am pretty ignorant when it comes to ignition/spark. I've search this forum high and low but havent found much in regards to my year and model.

    So in short I am looking for a bit of advice in upgrading my ignition, or at least a steer in the right direction.

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

    #2
    Look for HEI in the electrical forum. There are also complete rebuild threads with pcb designs snd schematics.

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

      #3
      Apparently Dynatech has an DynaS if you have mechanical advance. for the 450. See your other question.

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      • swan

        #4
        So I'm looking at the dyna s ignition and it says it's rated for 4 cylinder motors, but being that it only goes to two coils couldn't I just use it on my v twin?

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        • tkent02
          Forum LongTimer
          Past Site Supporter
          • Jan 2006
          • 35571
          • Near South Park

          #5
          What V twin are you talking about?
          http://img.photobucket.com/albums/v5...tatesMap-1.jpg

          Life is too short to ride an L.

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          • swan

            #6
            Originally posted by tkent02
            What V twin are you talking about?

            81 gs 450L

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