A sample from the products for the Seat ('80-'81 Ke175-d2/d3) include: Seat Assembly,with Band, Bracket-seat,lh, Washer-spring,6mm, Washer-plain,6mm.
In this schematic the "Bolt-upset 6x14" is used most often.
thirteen components are listed in the schematic for this Ke175-d3 Ke175 1981 Usa Canada Seat ('80-'81 Ke175-d2/d3) .