Some items from this specific schematic: Sprocket,engine (nt:15), Gear,4th Driven(nt:28), Pin, Gear,sixth Drive (nt:21).
The most reasonably priced component used on the Gsf600 1995 (s) (e02 E04 E18 E22 E25 E34) Transmission is the Pin.
The Transmission assembly is constructed from several parts from which the Chain Assembly,drive 110le is the most expensive.