more carb problems/fuelling problems

[el_oso]

still having problems with the divvy. managed to free up the throttle sliders that were sticking by giving them a thorough clean and polish. have completely taken the carbs apart to clean and reset everything but there is still a problem. if pull the choke out, the bike dies. the bike also seems to idle when it feels like it. when i first start it up, it usually idles fine at around 1k. after a 2minute ride around the block it will sometimes just cut out at a junction. it starts again fine on the button again, just doesn't like idling.
also if i increase the idle speed using the adjustment screw the revs return much slower to a normal idle speed after revving, even with less than a quarter turn on the adjustment screw. with more than a quarter turn the revs will stick at around 3k until you turn it off and restart.
any ideas anyone. i am just about to go find the balancing stuff and balance the carbs and see if that fixes the problem. i doubt it will. but i will give it a try
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Duke 390
Previous: '05 XR125L | '96 XJ600S Diversion |'05 Suzuki GSXR1000 | '05 Honda CBR125-R | '97 YZF 600R Thundercat | '11 Honda CBR250
Car: Jeep Wrangler 4.0L

[yen_powell]

Are the carb rubbers between the carb and engine perished or leaking?
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Blackmail is a nasty word........but not as nasty as phlegm!
XT1200Z and a DR350 in bits

[el_oso]

nope, checked for leaks and there doesn't appear to be any
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Duke 390
Previous: '05 XR125L | '96 XJ600S Diversion |'05 Suzuki GSXR1000 | '05 Honda CBR125-R | '97 YZF 600R Thundercat | '11 Honda CBR250
Car: Jeep Wrangler 4.0L

[muffy]

if its slow to settle to idle after reving its running lean

[el_oso]

balanced the carbs and still no improvement. this really has got me stumped.
anyone living in the hornchurch/romford areas fancy giving me a hand with this. can pay you in crates of beer/cash if you are able to lend a hand and get this irritating problem sorted.
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Duke 390
Previous: '05 XR125L | '96 XJ600S Diversion |'05 Suzuki GSXR1000 | '05 Honda CBR125-R | '97 YZF 600R Thundercat | '11 Honda CBR250
Car: Jeep Wrangler 4.0L