On this parts fiche the Washer,16.8x24 is the most specified component.
The Bolt,hex.,6x16 is the lowest priced item on this Kick Starter Spindle schematic.
A sample from the products for the Kick Starter Spindle include: Ratchet,starter, Circlip,ex16, Collar,kick Spind, Gear Comp.,starte.