The most reasonably priced component used on the Xrv750 Africa Twin 1990 (l) Spain Cowl is the Screw,tap 5x12mm.
Parts such as the Cowl: Retainer Gp5, Bolt Flang 6x12, Nut,flg,cap 8mm, Sub Cowl,l*nh138* are included in the Xrv750 Africa Twin 1990 (l) Spain Cowl parts fiche.
Of all the components used in this assembly the Cowl*nh138/type1* is the most expensive.