337
GEARCASE SERVICE, 75 – 90 HP MODELS
GEARCASE ASSEMBLY
12
Use Driveshaft Holding Socket, P/N 311875, Pin-
ion Nut Holder, P/N 334455, and Wrench
Retainer, P/N 341438, to tighten the pinion nut to
a torque of 100 to 110 ft. lbs. (136 to 149 N·m).
Pad handle of holder to prevent damage to
gearcase.
Propeller Shaft Bearing Housing
and Gear Installation
Oil and install thrust bearing and thrust washer on
hub of reverse gear. Slide the gear assembly onto
the propeller shaft until it engages the pinion gear.
Lightly apply Gasket Sealing Compound to a new
bearing housing O-ring. Install O-ring in groove in
the housing.
Install housing into gearcase. Align screw holes
with retainer slots in gearcase.
Housing must be completely seated to install
retainer tabs.
Install two retainers, washers and screws. Apply
Ultra Lock to threads and tighten screws to a
torque of 18 to 20 ft. lbs. (24 to 27 N·m).
1. Holding socket
2. Pinion holder
3. Retainer
42229
1. Thrust bearing
2. Thrust washer
DSC02295
Retainer Tab Notch 50106a
1. Retainer tab screws 001989
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