The most reasonably priced component used on the Tzr125 1991 3pb3 Europe 213pb-300e1 Generator is the Washer, Spring.
Some items from this specific schematic: Clamp, Screw, Pan Head (e56), Nut (22u), Washer, Plate(1hr).
The Generator is made up of components including this Base Assy which is the most expensive.