Parts such as the Oil Cleaner: Bolt, Flange(1fn), Cover, Oil Element, Element, Oil Cleaner, By-pass Valve Assy are included in the Fz750 1986 1tv Europe 261tv-300e1 Oil Cleaner parts fiche.
The most reasonably priced component used on the Fz750 1986 1tv Europe 261tv-300e1 Oil Cleaner is the Bolt, Flange(1fn).
The most expensive part in this assembly is the Cover, Strainer.