Some items from this specific schematic: Gasket,oil Filter (nas), Pin,lock,8mm, Nut,look.16mm (non O.e. Alternative), Screw Flat 6x28.
The lowest price component in this Oil Filter Rotor / Oil Pump parts-list fiche is the Screw,flat.4x12.
The thirty Cb125s S2 1975 Usa Oil Filter Rotor / Oil Pump component parts are all listed in this schematic.