The twenty-six Gs450sx 1981 (x) Usa (e03) Seat Tail Cover (model X) component parts are all listed in this schematic.
Parts such as the Seat Tail Cover (model X): Lock Washer, Lock Washer, Tape Set,seat Tail Cover, Washer (8.7x22x2) are included in the Gs450sx 1981 (x) Usa (e03) Seat Tail Cover (model X) parts fiche.