Parts such as the Carburetor Parts: Jet-needle, Main Jet, 2nd, # 90, Top-chamber,mixing, Plunger,starter are included in the El250e3 Eliminator 1993 Netherlands Fg Carburetor Parts parts fiche.
In this schematic the "Screw-pan-cros" is used most often.
The Carburetor Parts assembly is constructed from several parts from which the Valve,vacuum is the most expensive.