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Running woes after rebuild

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    Running woes after rebuild

    I've just rebuilt the engine on my '79 GS400. A year ago I rebuilt the carbys with new seals and she ran ok but blew a lot of smoke on one cyl which is why I've done the engine rebuild. When I pulled the carbys off I just put a rag in them and sat them to one side. I put the bike all back together, was able to rode it 20 meters on the first try and it then stalled. Now I can't get the bike to run off the choke. I can get it started on choke but it soon after starts to labour and then stall. I screwed in the air mixture screws and let them out 1 1/4 turns as the manual says. Any thoughts?

    #2
    Is the airbox on?
    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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      #3
      Originally posted by Nessism View Post
      Is the airbox on?
      Yeah. The whole bike is completely back together. Ive not modified anything. Could it be the timing? I didn't have a timing light.

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        #4
        Did you set the points and timing manually? does the bike start easily enough but just won't run when the choke is off?
        Rob
        1983 1100ES, 98' ST1100, 02' DR-Z400E and a few other 'bits and pieces'
        Are you on the GSR Google Earth Map yet? http://www.thegsresources.com/_forum...d.php?t=170533

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          #5
          *ahem* not enough fuel in the tank *ahem* ahhh what a noob.

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            #6
            Most of us have done something equally as noobish.
            How does it run now that it has fuel?
            2@ \'78 GS1000

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              #7
              Originally posted by steve murdoch View Post
              How does it run now that it has fuel?
              Blows a lot of smoke at high rpms and wont hold idle, stalls or revs too high. I was going to start a thread on it after xmas.

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