Parts such as the Crankcase Cover: Gasket(6.2x11x1) (nas), Plug, Pin, Screw are included in the Lt50 1987 (h) Usa (e03) Crankcase Cover parts fiche.
The most expensive part in this assembly is the Cover,magneto.
Of all the components that make up this Crankcase Cover the Gasket(6.2x11x1) (nas) has the lowest price.