Some items from this specific schematic: Key,seat Lock, Rubber B,seat Set, Set Illust*type2*, Bolt,flange,sh 6x.
The Screw,tapping,4x10 is the lowest priced item on this Seat/rear Cowl schematic.
With a quantity of six pieces, the Rubber B,seat Set is the most used part in the SEAT/REAR COWL diagram.