The throttle sticks because you didn't loosen the screws holding the tps sensor and rotate it in a twisting motion. When you hit on it to move the sensor with a punch it doesn't rotate properly and it binds. Sooo what I did is take the seat off to get to one screw from the top, and the other screw can be reached near the exhaust. Hit on one until it starts to bind, then tap the other to recenter the tps. Hope that made sense. I was able to rotate to 23% at idle 103% full throttle with no binding with this method, I could have rotated farther. Not sure what the downsides of rotating it out of spec are, it didn't make much of a change for me. Maybe got a little better around 19%, didn't notice much change from 19-23%
I have heard multiple times that going over 100% will cause it to bind, or engine damage, or who knows what else. Like I said if the tps isn't centered on the throttle body it will bind, it has nothing to do with being rotated to far.