The most expensive part in this assembly is the Parts.kit.carb.
This CARBURETOR OPTIONAL PARTS KIT (2) assembly utilises ten Screw-washer,4x16(s) - the highest specified component.
The most reasonably priced component used on the Cr125r 1988 (j) Sweden Carburetor Optional Parts Kit (2) is the Screw-washer,4x16.