Parts such as the Oil Pump: Bolt, Gasket, Pump Cover (nas), Bolt, Flange(1aa), Plate, Buffle 2 are included in the Fzr1000 1992 3lg4 Europe 223gm-300e1 Oil Pump parts fiche.
Of all the components used in this assembly the Oil Pump Assy is the most expensive.
The Yamaha OIL PUMP has twenty-nine products enlisted in the schematic.