Some items from this specific schematic: Stay,oil Cooler, Bolt,flange,6x20, Collar,setting, Bolt,flange,6x12.
The most reasonably priced component used on the Xrv750 Africa Twin 1990 (l) France / Yb Oil Cooler is the Bolt,flange,6x12.
The most expensive part in this assembly is the Cooler Comp.,oil.