Parts such as the E-8: Gear,m-4th., Gear,count.low, Wash,thrust 15mm, Bolt, Sprocket are included in the Mt50s 1984 (e) Norway E-8 parts fiche.
The sub assemblies and components that make up this E-8 include this Shaft,main Trans, the most expensive part.
On this parts fiche the Bolt,sprkt,fixin is the most specified component.