kz400 vm34 single carb icing won't rerun to idle

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07 Oct 2013 21:47 #609179 by beamer
I have a vm34 carb on my 76 kz400 with the 11th hour manifold.
my carb is getting super cold and idles great but when you crack the throttle it revs up and will not come back down.
after inspection the carb seems to ice over when you open the throttle and it's causing the slide to stick.
as soon as you turn it off let it set a minute and restart it it idles perfect.
you can actually see the slide slowly come down when you turn it off.
I tried bg fuel drier that is mostly isopropyl alcohol.
no effect...the carb still gets super cold.
has anyone else had this problem with the single carb conversion?

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