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Jetting for a Hindle exhaust

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    Jetting for a Hindle exhaust

    I’ve installed a full Hindle exhaust on a 1980 GS1000S
    stock air box and carbs.
    it stumbles until about 4K rpm then runs like a banshee
    At times when warm it wants to stay at about 2500-3000 rpm at idle
    When cold, like right at startup it idles fine
    The choke is not sticking
    the carbs were recently rebuilt with all new o-rings

    anyone use a Hindle and what jets did you use?
    im looking for a baseline. This is a street bike, not a track bike

    thanks
    Keith
    -------------------------------------------
    1980 GS1000S, blue and white
    2015Triumph Trophy SE

    Ever notice you never see a motorcycle parked in front of a psychiatrist office?

    #2
    Where are the pilot screws set and did you perform a vacuum sync?
    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

    Comment


      #3
      Of course you used new carb boot o-rings ...
      1981 gs650L

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

      Comment


        #4
        Just bolting on a pipe shouldn't affect anything at 0 to 4K rpm., & very very little above 4K. Like they said, probably look at something other than the pipe.
        1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

        Comment


          #5
          yes All new o-rings new rubber manifolds
          Keith
          -------------------------------------------
          1980 GS1000S, blue and white
          2015Triumph Trophy SE

          Ever notice you never see a motorcycle parked in front of a psychiatrist office?

          Comment


            #6
            You forget to tell us how many turns open on the pilot screws and if you performed a vacuum sync.
            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

            Comment

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