Parts such as the Drive Face: Face,drive, Boss,drive Face, Piece,slide, O Ring 91x2.6 are included in the Nh125 Aero 125 1984 (e) Usa Drive Face parts fiche.
In this schematic the "Piece,slide" is used most often.
The Nh125 Aero 125 1984 (e) Usa Drive Face consists of sixteen pieces with the Gear,kick Starter being the most expensive.