The most expensive part in this assembly is the Carburetor Assy 1.
Parts such as the Carburetor: Hose 835131710000, Nut, Hexagon (663), Packing, Insulating (nas), Jet, Starter are included in the Yf60s 1986 Moto-4 Usa Carburetor parts fiche.
Check out any of the twenty-nine Carburetor components enlisted.