I lost the bar end on my throttle and now it has a small amount of play before it tightens and gets gas. i believe its making my wheelies harder because it makes throttle movement more choppy it feels like. what im saying is when i twist the throttle it twists about a 1/4 inch before it gets tight and does anything and its causing my bike to kind of ride choppy when i let off and on the throttle. is there some way I can take it off and tighten it?