Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 420Get this manual
9 Inspect the large O-ring for damage andor deteriorationReplace it if either condition is found
bIf Replacing the Seal Only: Remove the oil seals with suitable pry bar, being careful not to damage the bore of the bearing carrier
BEARING CARRIER ASSEMBLYCOMPONENT DISASSEMBLY AND INSPECTION
NOTE: Complete the instructions in this section only if the assembly components have been found to be defectiveNOTE: Inspection of the bearing surfaces on the propeller shaft where the needles of the bearing carrier needle bearing rolls, gives an indication of the condition of the needle bearing inside the bearing carrierReplace needle bearing in the bearing carrier if the prop shaft is pitted, grooved, scored, worn unevenly, discolored from overheating, or has embedded particles1Perform the following step aor bas necessaryaIf Replacing the Needle Bearing and Seals: Remove the needle bearing and seals with the tools as shownb