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GEARCASE SERVICE, 75 – 90 HP MODELS
GEARCASE ASSEMBLY
“O” Type Gearcases
Loosen retainer screws 1/4 turn.
Install wedge, screw, and washer. Apply Ultra
Lock to threads and tighten screw to a torque of
15 to 20 in. lbs. (1.7 to 2.3 N·m).
Re-tighten 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).
Final Assembly and Adjustment
To complete gearcase assembly, refer to:
• GEARCASE LEAK TEST on p. 291
• WATER PUMP SERVICE on p. 316
• SHIFT ROD ADJUSTMENT on p. 319
• GEARCASE REMOVAL AND INSTALLATION
on p. 314
• Gearcase Lubricant on p. 43
• Propeller Hardware Installation on p. 290
• Trim Tab Adjustment on p. 35.
During break-in period of a reassembled
gearcase, change the gearcase lubricant between
10 to 20 hours of operation.
DSM02291
DSC02361