In this schematic the "Bolt,stud,8x35" is used most often.
Parts such as the Crankcase: Bolt,flange,6x12, Bolt,flange,6x55, Tube,5.3x350, Oil Seal,24x37x5 are included in the Nsr125r 1994 (r) England Crankcase parts fiche.
The most expensive part in this assembly is the Crankcase Comp.,r.