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Help!!!! Bike Wont Run

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    Help!!!! Bike Wont Run

    ok i have 81 gs1100ex and just put a mac 4 into 1 on it and the dyno jet stage 1 kit, i go to start the bike and the bowls fill up with fuel wont run

    heres my symptons

    1.on the exhuast only cyclinders 2 and 3 are running when i can get it to run cause those i really hot and 1 and 4 are cold but i have spark and compression accross all four so must be a fuel problem and 2 and 3 pipes are the only ones blueing

    2.there is fuel in all the bowls valves arent stuck

    3. i have to choke it all the way to get it to run at all but seems only like 2 cylinders are running and when it is running at full choke its at 5k rpm and if i touch the throttle at all i dies imediatly

    so those are problems what do you guys think i did the dyno jet instructions step by step so i dont know whats wrong

    #2
    Are the plugs wet on the cold pipe cylinders? Did you put the pilot jet caps back on?
    Pull the plugs and keep track which cylinder they came out of and what do they tell you.
    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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      #3
      the plugs on the cold holes are dry and the carbs are dry inside its like the 2 out sides are cloged but it seems kinda weired the 2 outsides just all of sudden dont work. iam just looking for suggestions on what could be the problem

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        #4
        and yes the caps are there

        Comment


          #5
          Make sure the carb vents are clear. Are you priming the bowls long enough. Is the petcock giving you good fuel flow?
          What size Dynojets mains did you go with and where is the needle set at?
          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.

          Comment


            #6
            iam running 114 mains and the needles are on 3rd space or what ever what the directions said, and the vents arent clogged

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              #7
              ok new update bike runs and idles all cyclinders are fireing, idle is good and wide open throttle is ok, my problem is know is between 2k and 4k in between those rpms it spit spudders and doesnt wanna move but after 4k it will scream to 10k it will go up from idle to 2k fine but between those rpms it just spits and spudders any thoughts

              Comment


                #8
                Try raising the needles one more notch.


                .
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                mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
                hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
                #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
                #2 son: 1980 GS1000G
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                  #9
                  When I bought the Dynojet the suggested jetting for the needle was two notches lean. I had to raise the needle (lower two nothes) to richen it.
                  Did you drill the slide?
                  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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