Carbs..running fast!

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  • Sexysuzi
    • Jan 2026

    #1

    Carbs..running fast!

    Decided to clean my carbs on my GS550 1979 (CV style)

    I have cleaned as per the guides on here - broken down every bit.

    I thought the bike was running a tad rich, so I drop the needle, now on the last notce. Bike is jetted with pods, 4 into 1

    Performance of the bike is amazing. Very quick. But I can't get the bike to idle, after a while it settles down if the undo the throttle cable, i rev, then the bike returns to 4000 rpm.

    I have checked for air leaks.

    Could this be because the bike is running to rich? I just can't reach the screws.

    any ideas????

    Had this set up perfectly before :-(
  • MisterCinders

    #2
    Undo throttle? Maybe a slide or cable is sticking.

    Comment

    • Sexysuzi

      #3
      shall give this ago now..

      any other ideas?

      Comment

      • hampshirehog
        Forum LongTimer
        Past Site Supporter
        • Oct 2007
        • 12675
        • Hampshire. UK

        #4
        When you say she's jetted, what is in there?
        79 GS1000S
        79 GS1000S (another one)
        80 GSX750
        80 GS550
        80 CB650 cafe racer
        75 PC50 - the one with OHV and pedals...
        75 TS100 - being ridden (suicidally) by my father

        Comment

        • Homie

          #5
          Several threads and numerous posts here on the "hanging" idle issue. Search the forum with "hanging idle" and you should get some ideas on what to check. Some kind of a vacuum leak seems to be the most common suspect. Good luck.

          Comment

          • Nessism
            Forum LongTimer
            GSResource Superstar
            Past Site Supporter
            Super Site Supporter
            • Mar 2006
            • 35787
            • Torrance, CA

            #6
            Did you change the intake boot O-rings?



            You might want to check the Newbie Mistakes thread linked in my signature to see if anything rings a bell.
            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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