Check out any of the five Rear Fender 91-97 components enlisted.
Parts such as the Rear Fender 91-97: Collar 6x25, Bolt,flange,sh,6x14, Washer,6.5x5.5, Bolt,flange,sh,6x16 are included in the Cr125r 1991 (m) Usa Rear Fender 91-97 parts fiche.
In this schematic the "Washer,6.5x5.5" is used most often.