The most expensive part in this assembly is the Pump Assy,fuel.
In this schematic the "O-ring,fuel,outlet" is used most often.
Parts such as the Fuel Pump: Gauge Assy,fuel Level, Tank,sub No.2, Pump Assy,fuel, Retainer are included in the An650 Burgman 2006 (k6) Usa (e03) Fuel Pump parts fiche.