336
GEARCASE SERVICE, 75 – 90 HP MODELS
GEARCASE ASSEMBLY
Pinion Gear and Driveshaft
Installation
Refer to DRIVESHAFT SHIMMING on p. 333
before proceeding.
Install new seals in driveshaft bearing housing.
Refer to Driveshaft Bearing Housing Service on
p. 330.
Place the driveshaft thrust bearing, thrust washer,
and correct shim(s) on the driveshaft as shown.
Using Driveshaft Seal Protector, P/N 318674,
slide the driveshaft bearing housing onto the
driveshaft and into position in the gearcase.
Adjust shift rod to move clutch dog as far forward
as possible. Be sure excess grease is removed
from the pinion bearing.
IMPORTANT: The inside taper of the pinion
gear and the driveshaft taper MUST be com-
pletely free of grease. Clean the tapers with
Cleaning Solvent. Use a shop towel free of grease
and lint.
Place the pinion gear into the gearcase. Insert the
driveshaft into the gearcase and through the pin-
ion gear.
Lightly coat the threads of a new pinion nut with
outboard lubricant. Use Pinion Nut Starting Tool,
P/N 342216, to install nut on the driveshaft. Turn
the driveshaft by hand to thread the nut on to
shaft.
Apply Gasket Sealing Compound to the threads of
the driveshaft bearing housing screws. Tighten
screws in stages to a torque of 120 to 144 in. lbs.
(13.5 to 16.5 N·m).
1. Thrust bearing
2. Thrust washer
3. Shim(s)
COA3168
1. Seal protector COA3130
42230
1. Driveshaft bearing housing screws COA3153
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