Parts such as the Crankcase (km100-a1/a2): Bearing-ball,#6204c3, Seal-oil, Pin-dowel,8x16, Bush-output Shaft are included in the Km100-a3 1978 Usa Canada / Mph Kph Crankcase (km100-a1/a2) parts fiche.
The sub assemblies and components that make up this Crankcase (km100-a1/a2) include this Crankcase,lh, the most expensive part.
The Pin-dowel,8x16 is the cheapest item from this partsfiche.