Some items from this specific schematic: L Stay B,head Lig, Socket,h/l, R Stay B,head Lig, Unit,head Light.
The Headlight (dk/ed/u) is made up of components including this Unit,head Light which is the most expensive.
The most reasonably priced component used on the Xr650r 2002 (2) General Export / Kph Ssw Headlight (dk/ed/u) is the Washer,6mm.