On this parts fiche the Bearing, Plain is the most specified component.
Some items from this specific schematic: Circlip 131116340000, Connecting Rod Kit, Piston Ring Set (2nd O/s), Piston (std).
The Ft9.9 (e/er)d 1990 Crankshaft - Piston consists of sixteen pieces with the Crankshaft being the most expensive.