On this parts fiche the Screw, Tapping(4my) is the most specified component.
Parts such as the Intake: Pipe, Drain, Element Assy, Air Cleaner, Plate, Element, Clip (371) are included in the Ttr125e 2003 5hpk Belgium 1b5hp-100ea Intake parts fiche.
The lowest price component in this Intake parts-list fiche is the Bolt,socket.