Parts such as the Seat: Damper, Seat, Screw, Truss Tap., Nut, Flange(3gm), Seat Lock Assy are included in the Tzr125 1997 4fl4 Germany 274fl-332g1 Seat parts fiche.
The most reasonably priced component used on the Tzr125 1997 4fl4 Germany 274fl-332g1 Seat is the Screw, Pan Head(3sx).
The Yamaha SEAT has seventeen products enlisted in the schematic.