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Left side smoking and 1 black plug

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    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.

    #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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      #3
      Originally posted by Nessism View Post
      Sounds like your petcock is sending fuel down the vacuum port and into #2 cylinder.
      Bingo!...........
      1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
      1985 GS1150ES stock with 85 Red E bodywork.

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        #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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