The Repair Kit 2 assembly is constructed from several parts from which the Carburetor Repair Kit is the most expensive.
Parts such as the Repair Kit 2: Carburetor Repair Kit, Gasket (nas), Diaphragm, Pump, Gasket, Fuel Pump 1 (nas) are included in the Ra700bu 1996 Repair Kit 2 parts fiche.
The O-ring is the lowest priced item on this Repair Kit 2 schematic.