Left side smoking and 1 black plug

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  • nicholascott

    #1

    Left side smoking and 1 black plug

    My gs1000 started smoking from the left exhaust pipe. It is white smoke. It has an incredibley strong fuel smell. Also, my #2 plug is coming out black. When I clean the plug and put it back in the bike runs fine. However, once it sits and idles for a while it will foul again. It only fouls at idle. It doesn't foul any other time. What could be causing the smoke? It is not constant. And when I clean the plug it seems to really calm the smoke down.
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35788
    • Torrance, CA

    #2
    Sounds like your petcock is sending fuel down the vacuum port and into #2 cylinder.
    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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    • Guest

      #3
      Originally posted by Nessism
      Sounds like your petcock is sending fuel down the vacuum port and into #2 cylinder.
      Bingo!...........

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      • nicholascott

        #4
        Thanks a lot for the great responses. Well, it must be that time to order a petcock rebuild kit. I will let everyone know the results. Thanks again

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