The most reasonably priced component used on the Kdx250-b3 Kdx250 1983 Usa Canada Transmission is the Washer,toothed,25.3x3.
Of all the components used in this assembly the Gear-transmission Spu is the most expensive.
Some items from this specific schematic: "o" Ring, Circlip, Gear,output Top,21t, Circlip,18mm.