Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 257Get this manual
4Verify the "V' shaped tab aligns with the '' Ynotch in bearing carrier ing fixture to avoid possible damage to gear housing
6Torque the bearing carrier retainer to 10 lbft(285.0 Nm) If one tab does not align up in space between two of the notches, continue to tighten retainer until alignment is achieved DO NOT loosen retainer to achieve alignment
aTab WasherV'Tab
aBearing Carrier Retainer Wrench (91 -61069)
Fill the bearing carrier retainer nut threads and corresponding gear housing threads with Quicksilver Special Lubricant 101 (92-13872A 1) Start the retainer into the gear housing threads and screw it down fully by hand