Mercury 225 EFI Service Manual page 627

2. Apply Loctite 271 to the threads of the pinion gear nut and place the pinion gear nut
into the MR slot of the pinion nut adapter.
NOTE: Install the pinion gear nut with the flat side of the nut away from the pinion gear.
3. Place the pinion gear (with the washer glued to it) into the gear housing.
4. Insert the drive shaft into the gear housing drive shaft bore. It may be necessary to
rotate the drive shaft to engage the drive shaft splines into the pinion gear splines.
5. Temporarily install the propeller shaft (without the sliding clutch installed) into reverse
gear.
6. Insert the pinion nut adaptor (with the nut) into the gear housing. It may be necessary
to raise the drive shaft slightly to clear the tool.
7. Start the pinion nut onto the drive shaft threads by rotating the drive shaft until the nut
is snug.
a -
b -
c -
8. Install the upper drive shaft tapered roller bearing cup. Apply 2-4-C Marine Lubricant
with Teflon to the retainer threads and install the retainer.
a -
b -
90-884294 OCTOBER 2001
b
Pinion Gear (with the washer glued to it)
Pinion Nut Adaptor (91-61067A2)
Drive Shaft
Upper Tapered Roller Bearing Cup
Drive Shaft Retainer
c
a
b
a
LEFT HAND NON-RATCHETING
57952
57953
Page 6B-63