1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 224Get this manual
Quality of the image is intentionally reduced!
OIL PUMP
a-Screw- M6x20 b-Oil Pump Cover c-Gasket-Oil Pump (Discard) d-Inner Rotor e-Outer Rotor f-Pin g-Shaft h-Oil Pump Housing
Page 4C-2
90-856159R1 AUGUST 19