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GS450 Ignitor-Is there an aftermarket unit?

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    #16
    Got my reply. '76 to '80 400's is the official answer, but the 425's use the same points, coils, and advance governor, so it will work in those as well.

    Big question remains... will the bolt holes and timing marks line up on the 450's and is the advance curve the same? This will really need someone who knows or has access to both to compare I would think...

    In theory if those are the same, the DS3-3C should work for the 450's, and you should be able to put a set of 400 points and coils on a 450 even though you probably wouldn't want to...
    1982 GS450E - The Wee Beastie
    1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

    sigpic

    450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

    Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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      #17
      cool,
      i found a used igntior for 60 so i might go that way.
      Where can I find the upgraded R/R eveeryones talking about?

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        #18
        Jump onto BassCliff's site and in the electrical odds and ends section somewhere is a list of the Honda R/R's to go for.

        Also, I sent a reply back to Dynatek this morning to ask if they'd heard of anyone trying them on a 450.

        At this stage it's a no, however I'm mighty impressed with their service! He replied a bit later on and apologised for the delay in replying... the delay was because he found and trawled through my HEI ignitor thread on here looking for more info! How cool is that? That's service I haven't seen for a loooong time...

        Anyways, I think the best way forward is for someone with a 400 or 425 with points to do some measuring of the plate for the points, maybe take some pic's, and try to find out what the advance curve is like for them.

        I can do the same for my 450, and my factro repro manual it has a bunch of info on the points as well, but of course I don't physically have a set to measure or compare. I think the Clymer and Haynes may have some more info as well as they're supposed to cover more of the twins in general I think.

        If those things match up, then it's a pretty good chance the DS3-3C will be a direct swap for the 450's as well, which would be much easier for those not comfortable doing things like making up circuits to fit HEI modules.
        1982 GS450E - The Wee Beastie
        1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

        sigpic

        450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

        Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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          #19
          Cool, ill look around for someone with a gs400.
          As far as the R/R is concerned any one have experience with either of these?

          Welcome to Regulatorrectifier.com! We have everything to suit your needs.

          New Electrosport Regulator Rectifier Direct Plug In Replacement, 1 year warranty, plug and play ESR100 Regulator/Rectifier Suzuki Universal

          Last edited by Guest; 08-04-2011, 07:57 AM.

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            #20
            I've heard both the Electrosport and Ricks are good, not sure about the other one.

            I'll have to start hunting through the Clymer manual actually, as it's for the '77 onwards 400's and 450's, so it should cover both points and electronic ignition and it should have timing info for both I would think...
            1982 GS450E - The Wee Beastie
            1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

            sigpic

            450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

            Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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              #21
              As of May 2021 there is a new aftermarket ignitor CDI unit available for the Suzuki GS450:
              Last edited by jborum; 05-03-2021, 10:31 PM.

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