1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 204Get this manual
Oil Pump Removal 1Remove O-rings, filter, screws, and pump from manifold
Unscrew and remove tilt relief plug from manifold Use the removal tool and pull the pilot valve assembly out of the manifold
Screw (2) Pump O-ring Filter Spring Down Relief Ball Tilt Relief Valve Assembly O-Rings Actuator Pin Pilot Valve Poppet Assembly Spring Shim Plug
IMPORTANT: DO NOT disassemble pump unitThe pump is not serviceable
Tilt Relief Valve Removal
NOTE: The following procedures requires the use of Snap-On blind hole removal tool #CG-4111 with 5 16" attachment #41 -12Or removal tool can be fabricated with the material and specifications listed below314" 14"