The Crankcase is made up of components including this Crankcase Assy which is the most expensive.
The most reasonably priced component used on the Ttr125lm 2000 5hp4 Finland 105hp-100ec Crankcase is the Bolt, Washer Based.
The ten Ttr125lm 2000 5hp4 Finland 105hp-100ec Crankcase component parts are all listed in this schematic.