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GEARCASE SERVICE, 75 – 90 HP MODELS
GEARCASE HOUSING INSPECTION
Shift Housing, Gear and
Propeller Shaft Removal
Push down on the shift rod. This will move the
detent lever downward to clear the inside of the
gearcase when the shaft assembly is pulled out.
Unscrew the shift rod from the detent lever.
Remove screws, cover, and shift rod from the
gearcase.
Discard the cover gasket. Remove and discard
the shift rod O-ring from inside of cover.
Remove propeller shaft assembly from gearcase.
Water Intake Screens
Remove and clean water intake screens. Replace
if damaged.
GEARCASE HOUSING
INSPECTION
Thoroughly clean gearcase housing to remove all
dirt and debris prior to inspection. Inspect pinion
bearing and forward thrust surface of gearcase
housing.
Use Gearcase Alignment Gauge Kit, P/N 5006349
to check the condition of gearcase housing prior
to reassembly. Refer to instructions provided with
kit. Use additional Gauging Head as follows:
• P/N 352879, for “S” Type gearcases.
IMPORTANT: DO NOT force gauging shaft into
alignment hole. Shaft MUST slide easily into hole
of gauging head. If shaft does not slide into hole,
gearcase housing is damaged and must be
replaced.
1. Cover gasket COA3141
COA3149
1. Water intake screen 001991
004315
1. Gauging shaft 004347
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