With a quantity of three pieces, the Nut,hex 6mm is the most used part in the DOUBLE SEAT diagram.
The most reasonably priced component used on the Cb350k2 Super Sport General Export Double Seat is the Washer,plain, 6mm.
Some items from this specific schematic: Washer,spring,6mm, Washer,plain, 6mm, Rubber B Seat, Collar,set Hinge.