Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 300Get this manual
10Torque the pinion nut by turning the drive shaft using the drive shaft nut wrench and torque wrench with the appropriate socket to 70 lbft(95.0 Nm) Drive ShaftBearing Preload Tool
INSTALLATtON
NOTE: Ensure that the top nut and the bottom nul of the bearing preload tool are screwed as close together as pas sible prior to proceeding with the following step 1Install the components from the Bearing Preload Tool Kit (91-14311Al ), over the drive shaft in the order shown
0 1aPinion Nut Adaptor (91 -6t067A2)Drive Shaft Nul Wrench (91-56775) Bearing Carrier (installed backwards) 70892