Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 372Get this manual
Pinion Bearing REMOVAL NOTE: Inspect the bearing surface on the drive shaft where the needles of the lower pinion bearing roJThe condition of the drive shaft at this location gives an indication of the condition of the needle bearingReplace lower pinion bearing (needles and race as set) if the drive shaft is pitted, grooved scored, worn unevenly, discolored from overheating, or has embedded particlesIMPORTANT: All the needle bearings (18) MUST BE in place inside bearing race while driving the pinion bearing from the gear housingIMPORTANT: Do not reuse the bearing (race or rollers) once it has been removed1Remove and discard the pinion bearing (race and rollers) using tools as shown
Gear Housing Reassembly