GS425 conversion to electrical ignition???

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  • MidWestCoast442
    • Feb 2026
    #1

    GS425 conversion to electrical ignition???

    While browsing BassCliff's website, I noticed that he converted his ignition to electrical by using a Dyna S kit.

    Can the same conversion be done to my 2-cylinder GS425? I hate d*cking-around with points. Would love to be able to upgrade to Dyna S.
    Tags: None
    • tom203
      Forum Guru
      Past Site Supporter
      • Aug 2010
      • 8925
      • Norway,Maine
      #2
      Sure, go here and browse this thread- there are more on same subject

      Dyna S kit for 425 install on gs 450 plus new req/rect questions- in process - The GSResources Forums
      http://www.thegsresources.com/_forum/showthread.php?225881-Dyna-S-kit-for-425-install-on-gs-450-plus-new-req-rect-questions-in-process&p=2102658#post2102658
      Place your GS electrical or ignition related questions in this forum.
      1981 gs650L

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

        Comment

        • MidWestCoast442
          #3
          Thank you! I am a total n00b when it comes to turning wrenches on a bike. Experienced with cars, like my '65 442. But it is time to dig-in on this bike and turn it into what I want it to be. So there is much to learn.

          So please excuse some of my dumb questions. I'll catch-up quickly.

            Comment

            • tom203
              Forum Guru
              Past Site Supporter
              • Aug 2010
              • 8925
              • Norway,Maine
              #4
              65 442! You need a bigger bike!
              1981 gs650L

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

                Comment

                • MidWestCoast442
                  #5
                  I like my little bike. It isn't great for long distances. But it's excellent for getting around town.

                  Videos of the car:
                  Without a front plate
                  http://vimeo.com/37194551
                  This is the engine without the front motor plate fastened to the frame rails. Jiggly.

                  With a front plate
                  http://vimeo.com/37191985
                  This is the new engine WITH a front motor plate fastened to the chassis. Big difference. Don't mind the mess of wires. They'll be cleaned-up soon.

                  Line Lock = WIN
                  http://vimeo.com/36214027
                  My friend, Adam Pence, was in Indy for the holidays. The weather was decent...so we took the 442 for a spin on Dec 23rd. Hadn't yet tested the line lock.…



                  So...back to Dyna S on the GS425...

                  On Dynatec's website, it only lists a kit for '76-78 GS400's. What is the part number for the Dyna S kit that will work with my bike?

                    Comment

                    • tom203
                      Forum Guru
                      Past Site Supporter
                      • Aug 2010
                      • 8925
                      • Norway,Maine
                      #6
                      Nice pics- brings back fond memories of my '69 Z28. Of course, I never smoked my tires!
                      1981 gs650L

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

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                        • MidWestCoast442
                          #7
                          Uh huh. Suuuure.

                          So what is the part number for a GS425 Dyna S conversion?

                            Comment

                            • tom203
                              Forum Guru
                              Past Site Supporter
                              • Aug 2010
                              • 8925
                              • Norway,Maine
                              #8
                              Head back to that linked thread- the 425 apparently uses same as 450. PM member Pete for exact number if nobody responds .Ask to see his custom exhaust on his 450- a thing of beauty !
                              1981 gs650L

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

                                Comment

                                • MidWestCoast442
                                  #9
                                  Pete? You mean Greg?

                                  And it looks like he was installing it on a 450, not 425

                                    Comment

                                    • tom203
                                      Forum Guru
                                      Past Site Supporter
                                      • Aug 2010
                                      • 8925
                                      • Norway,Maine
                                      #10
                                      Pete ,from the land down under -recall this from that thread of Greg's
                                      "....Hey Greg, after dremelling some clearance on my Dyna S plate it turns out it would've been fine... it was more precautionary than anything.


                                      You won't need the spacer on the 425 as it had points, it's the electronic ignition rotor bolts on the 450's that are longer and require the spacer."
                                      1981 gs650L

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

                                        Comment

                                        • MidWestCoast442
                                          #11
                                          Gotcha! Thanks! I'll send out some PM's.

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