Dyna S Ignition v. Stock

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  • ATX 850

    #1

    Dyna S Ignition v. Stock

    I've got an 83 850 GL with the newer type ignition / spark advancer / rotor. The bike was laid down and the ignition cover and rotor are damaged. Replacement ignition parts are tough to find and OEM are obviously pretty expensive.

    I understand the benefits of the Dyna replacement for pre 82 bikes with older points that need to be tuned.

    Question: If paying good money anyway, would a Dyna S provide a marked improvement for the charging system and spark of my 83? Or should I just keep trolling ebay for an old part that might work....or not?

    Anyone have much experience with using Dyna S on 82 / 83 / 84?

    Thanks,

    Chris
  • Nessism
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    • Mar 2006
    • 35788
    • Torrance, CA

    #2
    My understanding is that you need a mechanical advance unit from a '79 - '81 850 in order to install the Dyna S in your bike. This will not affect the charging system at all and I don't think the Dyna S is an improvement over your stock ignition, particularly the type you have that has the ignition advance curve built into the ignitor. It's less of a gamble though and relatively cheap.

    BTW, Suzuki stopped using points in '79.

    Hope this helps and good luck.
    Ed

    To measure is to know.

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    • nisom512

      #3
      Originally posted by Nessism
      My understanding is that you need a mechanical advance unit from a '79 - '81 850 in order to install the Dyna S in your bike. This will not affect the charging system at all and I don't think the Dyna S is an improvement over your stock ignition, particularly the type you have that has the ignition advance curve built into the ignitor. It's less of a gamble though and relatively cheap.

      BTW, Suzuki stopped using points in '79.

      Hope this helps and good luck.
      So if you had and 81 850 would there be any advantages to this ignition?

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      • Nessism
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        #4
        Originally posted by nisom512
        So if you had and 81 850 would there be any advantages to this ignition?
        None that I can imagine.
        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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        • Agemax
          Forum Guru
          • Apr 2008
          • 8371
          • plymouth uk

          #5
          Originally posted by Nessism
          None that I can imagine.
          maybe 1 advantage is that it may be more reliable than a 28 year old set up!
          1978 GS1085.

          Just remember, an opinion without 3.14 is just an onion!

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          • Nessism
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            • Torrance, CA

            #6
            Originally posted by Agemax
            maybe 1 advantage is that it may be more reliable than a 28 year old set up!
            Agree. But if the stock system is working correctly, I wouldn't change it.
            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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            • SqDancerLynn1

              #7
              The only advantage is the cost, unless you find used parts. If you go the dyna ign I believe you will also need to make a spacer for the 83 model ign cover

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              • earlfor
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                • off grid cabin 1/24/26 7pm

                #8
                Originally posted by nisom512
                So if you had and 81 850 would there be any advantages to this ignition?
                None, other than replacement availability.

                Earl
                Komorebi-The light filtering through the trees.

                I would rather sit on a pumpkin and have it all to myself than be crowded on a velvet cushion. H.D.T.

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                • ATX 850

                  #9
                  Dyna for later

                  Thanks for the feedback. Sounds like the Dyna might be overkill right now unless I can't find a used replacement part somewhere else.

                  The Dyna S is still cheaper than OEM / Bike Bandit.

                  I'll just keep checking ebay, gs forum, and the salvage yards.

                  Chris

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                  • bwringer
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                    #10
                    If you decide to go with the Dyna, just post in parts wanted for a mechanical advancer. I and probably several others have an extra. The same advancer was used on lots of different GS models.

                    Sorry, I don't have any extra '82-'83 ignition parts. But they are transplantable -- my '83 GS850 is wearing an '81 engine with the '83 ignition parts.
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                    • Guest

                      #11
                      The Dyna S cuts out the need for an igniter. I love mine. The enine starts with a slight touch of a button and runs great.
                      I chased my tail trying to jet my carbs with the stock ignition. The coils are weak and the igniters burn up (because of old age).

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                      • salty_monk
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                        #12
                        You also have the option to play with timing with the Dyna S...
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                        • nisom512

                          #13
                          how is timing a benefit......i honestly dont know I have read but dont understand how it is.

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                          • aquamon

                            #14
                            There is a post in here on how to repair your 850 igniter.

                            Sorry, it's a post by matchless and it's for the GS1000 but you can make it and it should work on the 850.
                            Last edited by Guest; 02-26-2009, 04:21 PM.

                            Comment

                            • rudy

                              #15
                              If you're still looking for a stock system but don't wanna shell out for the Dyna S, I have a stock system from an 80 to 82 I think. You'll still need an advancer from someone. It still works just fine. Shoot me a PM. Let me know what it'd be worth to you. I'm not looking to get rich, and I'm too lazy to sell on ebay.

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