On this parts fiche the O Ring 15mm is the most specified component.
This part-list fiche shows all the components that make up the Ch80 Elite 80 1985 (f) Usa Crankcase .
Parts such as the Crankcase: Dowel,pin,8x14, Bush,outer Eng.ha, Crankcase, L., Bolt,flange 6x20 are included in the Ch80 Elite 80 1985 (f) Usa Crankcase parts fiche.