The Throttle Body (nps508/9) assembly is constructed from several parts from which the Throttlebody Assy is the most expensive.
This schematic depicts all components used in the Nps50 Zoomer 2009 (9) Korea Throttle Body (nps508/9) partslist.
This THROTTLE BODY (NPS508/9) assembly utilises two Screw,torx 5x8.7(s) - the highest specified component.