Some items from this specific schematic: Bulb(12v60/55w,h4), Reflex Reflector,fr Side, Bracket,fr Side Reflector,l, Bracket,fr Side Reflector,r.
The most reasonably priced component used on the An650a Burgman 2012 (l2) Usa (e03) Headlamp is the Screw.
With a quantity of six pieces, the Screw is the most used part in the HEADLAMP diagram.