The seventeen Rm50 1981 (x) Fuel Tank (rm50n, Rm50t) component parts are all listed in this schematic.
Parts such as the Fuel Tank (rm50n, Rm50t): Emblem, Washer (8.5x29x1.6), Clamp,fuel Tank Breather Hose, Emblem are included in the Rm50 1981 (x) Fuel Tank (rm50n, Rm50t) parts fiche.