The Gasket,clutch Cov (nas) is the lowest priced item on this Eop-2 schematic.
On this parts fiche the O-ring,6x1.7 is the most specified component.
Parts such as the Eop-2: Packing, Cock, Gasket Crank Case (nas), Gskt,pump Body (nas), Gasket Kit,b (nas) are included in the Cl50 Benly 1997 (v) Japan Cd50-400 Eop-2 parts fiche.