The lowest price component in this Carburetor (component Parts) parts-list fiche is the Screw-washer 5x10.
Some items from this specific schematic: Screw,pan, Chamber Set,float, Jet,slow,#42, Screw-washer,5x16.
The Carburetor (component Parts) is made up of components including this Sensor Assy,throt which is the most expensive.