Parts such as the Front Wheel: Weight,balance 30, Weight,balance 20, Retainer,gear Box, Washer,spdmt.gear are included in the Ns400r 1985 (f) South Africa Front Wheel parts fiche.
In this schematic the "Shim,damping" is used most often.
This schematic depicts all components used in the Ns400r 1985 (f) South Africa Front Wheel partslist.