On this parts fiche the Nut,air Clen.case is the most specified component.
Parts such as the Rear Fender (except Cr125rl): Nut,air Clen.case, Bolt,flange,sh,6x14, Fender,rea*r177r*, Bolt,flange,sh,6x14 are included in the Cr125r 1994 (r) European Direct Sales / Cmf Rear Fender (except Cr125rl) parts fiche.
The Bolt,flange,sh,6x14 is the cheapest item from this partsfiche.