1982 Honda Nighthawk 650(Motorcycle). Ultra High Idle?

I just purchased this bike for a good price… It looks great but when i start it up the idle runs ridiculously high… Seriously like 7000 plus… At first i thought the throttle cable might be too tight… But its functioning perfectly… So then i thought it might be an issue with the carbs… But i cleaned them out and right now they are spick and span… Looking brand new… Still the problem persists… I have some old boots hooking my carbs up… I heard that might be the problem… And i'm gonna change them… But this thing is idling so very high that i suspect another problem… What are some other things to look for if replacing the boots fails?

Leaking intake manifolds.
Adjust the idle screw (lower the idle).
Carbs out of sync -
CV carbs run off of vacuum from the engine.
Any leaks in the carb tops will affect the vacuum and throw off the carb sync. (inspect the top gaskets).

Make sure the needle guides are in place.
Inexperienced mechanics tend to forget to install them after a carb rebuild.
#2 to the left.
http://www.partsfish.com/oemparts/a/hon/506f8fbff8700229747b977e/carburetor-component
Look through the ventrui and you will see a chrome tube sticking up.

High idle not normally caused by dirty carbs. Probably by taking them off & stripping them you have majorly upset something.
Obtain a copy of the manual & do it properly - give the bike a thorough tuneup. Set float levels, balance carbs. (also change oil & filters & set tappets & chain tensioner, replace brake fluids & lube cables - always do this with a "new" second hand vehicle - that way you know when it needs to be done again & will hopefully catch any of the previous owners neglect)
(usual reasons for high idle are stuck cables, incorrect tune or incorrectly set fast idle on choke lever)

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