The twenty-four Gp125 1981 (x) (e02 E04 E17 E18 E21 E22 E41) Seat Tail Cover (model X) component parts are all listed in this schematic.
The Gp125 1981 (x) (e02 E04 E17 E18 E21 E22 E41) Seat Tail Cover (model X) consists of twenty-four pieces with the Cover, Seat Tail being the most expensive.