The most reasonably priced component used on the Nsr125r 1991 (m) Sweden / Kph Taillight is the Bolt,hex.,6x22.
Parts such as the Taillight: Bulb,taillight, Rubber,lower Cowl, Cord Comp., Lens,taillight are included in the Nsr125r 1991 (m) Sweden / Kph Taillight parts fiche.
In this schematic the "Collar,fr.fender" is used most often.