The Clutch is made up of components including this Clutch Assy. which is the most expensive.
Some items from this specific schematic: Outer Comp.,clutc, Disk,clutch Frict (nas), Seat,judder Spg., Bolt,flange,6x25.
The most reasonably priced component used on the Nsr125r 1989 (k) Switzerland / Kph Clutch is the Nut, Lock, 12mm.