The Crankcase assembly is constructed from several parts from which the Crank Case Comp,l is the most expensive.
Some items from this specific schematic: Gasket Crank Case (nas), Bolt,flange,6x60, Packing, Cock, Crank Case Comp,r.
The fifteen C90m Cub 1996 (t) Greece Crankcase component parts are all listed in this schematic.