The most reasonably priced component used on the Xl250r 1985 (f) Usa Rear Wheel is the Spg-washer 16mm.
Of all the components used in this assembly the Hub,rr.wheel is the most expensive.
Some items from this specific schematic: Cap,rim Hole, Rub,rr.wheel Damp, Oilseal,28x47.2x7, O-ring,54x2.