The sub assemblies and components that make up this Crankcase Cover include this Cover, Crankcase (l. H), the most expensive part.
This schematic depicts all components used in the Yl1 Twinjet 1966 1967 Usa Crankcase Cover partslist.
Some items from this specific schematic: Nipple, Grease(6a1), Screw Pan Head, Plug, Oil, Gasket, Crank Case Cover(r.h) (mca).