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Help!!!! Bike Wont Run

  • Thread starter Thread starter kurt12345
  • Start date Start date
K

kurt12345

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