Throttle Problem

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  • dmrblk2

    #1

    Throttle Problem

    Hey everyone I have been looking for this subject for a while now. I have a 83 Suzuki GS 750 and I just got the bike running. The bike is fine but in first gear if I use the throttle fast it wants to stall on me.I was just wondering is this an adjustment with the carbs or what else can it be. when the bikes going its fine its just when you take off in the first fast it dies on me. Any ideas I'm new to bikes?
  • tom

    #2
    take the petcock out of the tank and check the screen see if its dirty .

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    • tom

      #3
      i have a 1982 gs 750e and the carbs are out ill check to see if there are any screens on the needle and seat if there are you might want to see if they have any suff on them. ill check mine

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      • tom

        #4
        yes they do have screens on the needle in seat but first check the petcock in the tank its easy to check

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        • Nessism
          Forum LongTimer
          GSResource Superstar
          Past Site Supporter
          Super Site Supporter
          • Mar 2006
          • 35808
          • Torrance, CA

          #5
          Is the bike stock or modified? Changes in the airbox or exhaust can cause problems like mentioned.
          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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          • dmrblk2

            #6
            The bike is stock as of now i do have a Vance & Hines exhaust coming in though, it is not on the bike now. Where is this petkock, is that the thing on the side of the gas tank that has a nob on it?

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            • Guest

              #7
              Originally posted by dmrblk2
              The bike is stock as of now i do have a Vance & Hines exhaust coming in though, it is not on the bike now. Where is this petkock, is that the thing on the side of the gas tank that has a nob on it?
              Yes, that is it.

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              • Guest

                #8
                You probably have a leaky air-box and/or exhaust. The jet needle will need shimmed.
                You will have to rejet with the V&H pipe.

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                • Big T
                  Forum LongTimer
                  Past Site Supporter
                  Super Site Supporter
                  • Mar 2005
                  • 12414
                  • West Slope, OR

                  #9
                  Originally posted by chef1366
                  You probably have a leaky air-box and/or exhaust. The jet needle will need shimmed.
                  You will have to rejet with the V&H pipe.
                  Chef,

                  I believe you meant to say the V&H is useless with out a $100+ jet kit

                  Just saying
                  1978 GS 1000 (since new)
                  1979 GS 1000 (The Fridge, superbike replica project)
                  1978 GS 1000 (parts)
                  1981 GS 850 (anyone want a project?)
                  1981 GPZ 550 (backroad screamer)
                  1970 450 Mk IIID (THUMP!)
                  2007 DRz 400S
                  1999 ATK 490ES
                  1994 DR 350SES

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                  • Guest

                    #10
                    You can do the pipe only without the jet kit but add pods into the equation then yes.
                    I ran a stock 1100 with a Kerker 4-1 with an 117.5 main jet up from a 107.5, removed airbox lid and shimmed the needle by removing the stock spacer over the jet needle and replacing it with three radio shack washers. That motor ran great with no flat spots.

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                    • salty_monk
                      Forum LongTimer
                      GSResource Superstar
                      Past Site Supporter
                      Super Site Supporter
                      • Oct 2006
                      • 14013
                      • London, UK to Redondo Beach, California

                      #11
                      I ran a 1000G with a V&H & inbox K&N. Jets I used were 5 over from memory, shimmed the needle up a bit. Ran fine (& continues to do so I've heard). Also adjusted the pilot screws obviously.

                      If the bike is stock I expect an air leak. If it was fuel supply you would get the same effect at high revs such as on the freeway etc...
                      1980 GS1000G - Sold
                      1978 GS1000E - Finished!
                      1980 GS550E - Fixed & given to a friend
                      1983 GS750ES Special - Sold
                      2009 KLR 650 - Sold - gone to TX!
                      1982 GS1100G - Rebuilt and finished. - Sold
                      2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                      www.parasiticsanalytics.com

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                      • tom

                        #12
                        if you tell were you live someone from here might live near you to help
                        Last edited by Guest; 04-04-2013, 10:26 PM. Reason: didnt sound write

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