Some items from this specific schematic: Bolt,stud,8x35, Oil Seal,24x37x5, Dowel,pin,10x16, Bolt,flange,6x85.
The lowest price component in this Crankcase parts-list fiche is the Clamper A,tube.
With all the components that make up the NSR125R 1989 (K) PORTUGAL / KPH CRANKCASE assembly. The Bolt,stud,8x35 is the most frequently specified with four applications.