340
GEARCASE
ASSEMBLY
Propeller Shaft Bearing
Housing and Gear Installation
Oil and install thrust bearing and thrust washer on
hub of reverse gear. Slide the reverse 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, aligning 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 torque screws 18 to 20
ft. lbs. (24 to 27 N·m).
“O,” “L,” AND “M” TYPE GEARCASES
Loosen retainer screws 1/4 turn.
Install wedge, screw, and washer. Apply Ultra
Lock to threads and torque screw 15 to 20 in. lbs.
(1.7 to 2.3 N·m).
Re-torque two retainer screws to 18 to 20 ft. lbs.
(24 to 27 N·m).
Confirm that torque on the wedge screw is 15 to
20 in. lbs. (1.7 to 2.3 N·m).
To complete gearcase assembly, refer to:
• LEAK TEST on p. 308
• WATER PUMP on p. 311
• SHIFT ROD ADJUSTMENT on p. 314
• REMOVAL AND INSTALLATION on p. 308
• LUBRICANT on p. 307
• Propeller Hardware Installation on p. 74
• Trim Tab Adjustment on p. 77
During break-in period of a reassembled gear-
case, change the gearcase lubricant between 10
to 20 hours of operation.
1. Thrust bearing
2. Thrust washer
DSC02295
Retainer Tab Notch 50106a
1
2
1. Retainer tab screws 001989
DSM02291
DSC02361
1
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