Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 461Get this manual
5Insert the pinion nut adaptor (with the nut assembled to it) into the gear housingIt may be necessary to raise the drive shaft slightly to clear the tool6Start the pinion nut onto the drive shaft threads by rotating the drive shaft until the nut is snug 9Torque the pinion nut by turning the drive shaft using the drive shaft nut wrench and torque wrench with the appropriate socket to 75 lbft(101.5 Nm)
70891Pinion Gear (with the washer glued to it)Pinion Nut Adaptor (91-61067 A3)Drive ShaftPinion Nut Adaptor (91-61067 A2)Drive Shaft Nut Wrench (91-56775)Bearing Carrier (installed backwards)