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jetting a pwk


banshee040

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ok guys heres one for ya, i got a 2 into 1 setup 35 pwk carb 48 pilot 180 main clip 2nd from top air screw at 3 turns out . starts up first kick idles perfect for about 10 seconds then runs on right cylinder only wants to stall . revs up on one cylinder won't fire both sides. take it for a ride both fire flat out wants to rip your arms off. i rode it on my practice track for 20 minutes runs like a raped ape . still wont idle for shit but fires both sides when hot . this bike ran perfectly with two stock carbs so i can't belive its electrical problem, besides having no idle it does have awsome power down low it pulls holeshots better than the two carbs and responds all thru the power bands i can't figure it out any ideas or suggestions???? banghead

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Go the trinity 2-1 35mm setup, had the same problem - one of my reeds had partially disintegrated, and that cylinder was the one that was not firing at idle.

 

If you have ruled out spark, as not being the cause, and it was all working perfectly with two carbs, and one cylinder is firing with the single carb set-up, you are pretty much left with only between the carb and that cylinder as being the likely problem.

 

Check you reeds and intake boot.

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Ok, first, start her up, let her idle, then when she dies, check the plugs. Are they dry and light or oiled up and fouled? Where's your air screw at also? If it's jetting, it's in the pilot or the screw. When you cold start, are you having to choke it or not? Same with warm starting, choking it or not?

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