Some items from this specific schematic: Pin,cotter 2.0x15, Arm Comp.,l.step, Bolt-washer,8x20, Arm Comp.,r.step.
With all the components that make up the Z50R 1997 (V) USA STEP assembly. The Bolt-washer,8x20 is the most frequently specified with four applications.
The lowest price component in this Step parts-list fiche is the Washer,plain,8mm.