With two applications this Screw, Flat is the most specified part.
Parts such as the Oil Pump: Oil Pump Assy, Circlip, Shaft, Pump, Gasket (nas) are included in the Xf50 2007 15p1 Europe 1f15p-300s1 Oil Pump parts fiche.
The Yamaha OIL PUMP has seventeen products enlisted in the schematic.