Wow I answered you yesterday but I don't see it here. Musta not clicked reply. Anyway, the boots I was talking about connect the carbs to the engine heads. They are thick rubber tubes, about 2 inches in length. That's where you would spray to check for a leak. The suggestions are good but what JM2001 said about a slide sticking sort of floats to the top of them. To check the slides you'll have to take off the airbox boots <opposite side of the carb from the intake boot
, and both airbox boots go from the carbs and turn up under the tank.
This is just a guess - never tried it, but you might be able to test for sticking mechanics inside the carbs this way; when the bike is stuck in high idle, take a screwdriver and with the handle side rap on the side of each carb to see if it frees up and the idle drops. If it does, remove an air cleaner and spray some lightweight top cylinder oil or "fogging " oil in there while the bike is running
. It'll smoke out the exhaust some so don't be concerned, just spray a little wait for the smoke to let up, spray some more and wait, not too much oil, just a little at a time. This may or may not help depending on where it's getting hung up, and if it actually is the problem, but it's worth a try.
You can use the fogging oil to check for leaks on those boots and to protect your engine's top end if you put it away for off season so either way it won't be wasted. Most hardware stores have the stuff. Good luck.
Jetted, shaved & coastered
Home made under-tank single filter
Converted ACCT's to manual (thanks wib714)
Dual vac lines on petcock (my cure for ticking)
LED tail/plate lights
Relocated helmet lock to license plate
Customized hard bags w/ lights
LED running lights
Home made 'Vita-Volt' meter
Foot rests on engine guard
Hmm....she was on the back when we left.... ??