This Starter Clutch diagram displays the required parts for the Rf900r 1998 (w) (e02 E04 E18 E22 E24 E25 E34 E39) / P37 Starter Clutch.
The most reasonably priced component used on the Rf900r 1998 (w) (e02 E04 E18 E22 E24 E25 E34 E39) / P37 Starter Clutch is the Circlip,12 Mm.
In this schematic the "Bolt,oil Fille" is used most often.