When I give my bike some throttle in neutral it will go down smoothly if revved under 3000rpms, but if I rev it to 3000+rpms it stays there and comes down after a short pause.
The reason I want to know how to fix this is because when I am riding and I shift the revs stay up and it is a un-nerving since they don't drop down with the clutch fully pulled in. The revs just stay at the rpm's at which I was shifting.
Is this normal, if not what could be causing this problem?
I got this bike after it had been sitting for two years, and the gas is now varnish. I siphoned most of it out and put in fresh gas with some carb cleaner. I don't know if the throttle plate is sticking at a certain point because of this or not.
Any help would be GREAT, BigTwin
Check your throttle cables for lube, Blast them through with WD40 or a clone. If memory serves me correctly there are two cables, it sounds like you may be operating with one.
Hanging revs indicate a lean condition. Take the carbs apart and make sure the pilot jets and all the little orifices are clean. Or if you want to give your in tank carb cleaner a shot at it just keep riding it.
I think you'll end up pulling the carbs tho....
Good luck.
If your gas was varnish, one (or a couple) of your jets may be clogged. You should pull the carbs off and give them a good cleaning/inspection. Just throwing carb cleaner through them doesn't always do it. You could also have an air leak. Check your vacuum line (and your fuel lines as well). If they're dry and/or cracked replace them. Do you have an in-line fuel filter? If not you should get one. Also check the intake boots where the carbs connect to the engine to see if they're worn out and/or cracked.