Some items from this specific schematic: Plug, Oil Level, Bolt, Stud 2561519600, Gasket 214217720000 (nas), Gasket, Oil Sealing (mca).
Of all the components used in this assembly the Crankcase Assy is the most expensive.
This CRANKCASE assembly utilises eight Ybs66-8 Washer, Plain(s) - the highest specified component.