1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 155Get this manual
OIL PUMP
EXPLODED DIAGRAM
6x 20 mm (2)
REMOVAL AND INSTALLATION CHART
Step ProcedurePart name OIL PUMP OISASSEMBLV Oil pump cover Rubber gasket Inner rotor Pin Rotor shaft Outer rotor Oil pump housing Q'ty Service points Follow the left "Step" for removal