The Carburetor assembly is constructed from several parts from which the Carburetor Assy.( is the most expensive.
Some items from this specific schematic: Tube,fuel 3.5x180, Valve,float, Screw Set B, Top Set.
The most reasonably priced component used on the Z50j Monkey 1991 (m) Finland Ms Carburetor is the Screw-wash.,4x12.