Hey guys I found a new one today.
Had a Harley come in with the throttle sticking for no apparent reason. Very inconsistent symptoms.
We found that there is part number sticker on the bar under the throttle tube.
It was coming apart and balling up between the throttle tube and the bar.
Pealed it off and cleaned all the sticky off the bar.
Then a little dab of cable lube.
Went ahead and lubed the cables while it was apart.
Now she snaps back like she should.