The most reasonably priced component used on the Nsr125r 1991 (m) Spain / Kph Taillight is the Bolt,hex.,6x22.
Some items from this specific schematic: Collar,fr.fender, Taillight Assy.(1, Lens,taillight, Bolt,hex.,6x22.
This Base,taillight is the most expensive of the items that make up this Taillight assembly.