Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 447Get this manual
Drive ShaftBearing Preload Tool REMOVAL
2Install the drive shaft tapered roller bearing cup, then the retainer
Before loosening the top nut allen screws of the bearing preload tool, screw the bottom nut up as close as possible to the top nut
1Screw the bottom nut of the bearing preload tool until it is as close as possible to top nut2Loosen the allen screws in the top nut3Remove all components including the water pump face plateo
70890Tapered Roller Bearing CupDrive Shaft Retainer
3Torque the retainer to 100 lbft(135.5 Nm)
aTop Nut (with allen screws)Bottom NutWater Pump Face Plate
Pinion Gear Location
ADJUSTING