Parts such as the Crankcase: Screw 6x30, Nut, Bush, Gasket(10x14x3.6) (nas) are included in the Jr50 1978 (c) Usa (e03) Crankcase parts fiche.
The Crankcase assembly is constructed from several parts from which the Crankcase Assembly is the most expensive.
This CRANKCASE assembly utilises six Screw (6x35)(s) - the highest specified component.
