8D-2 - DRIVE SHAFT / PROPELLER SHAFT MODELS 90-823225--1 1096
Flywheel Housing/Output
Shaft Housing Repair
(MCM Stern Drive Models)
NOTICE
The following repair procedure requires re-
moval of the drive shaft. In most cases, be-
cause of engine compartment space limita-
tions, the engine also must be removed.
Removal and Installation
1. Remove drive shaft as outlined following in this
section.
2. If engine must be removed, refer to appropriate
instructions in Section 2, “Removal and Installa-
tion.”
Disassembly
IMPORTANT: This disassembly procedure, be-
ginning with Step 1, assumes that engine does
not require removal from boat. If, however, en-
gine removal is required, refer to Section 2 for re-
moval and installation instructions. With engine
removed from boat, proceed with disassembly,
beginning with Step 3.
1. Support rear of engine with overhead hoist or
wooden blocks under the rear of the engine.
2. Remove stringer bolts (rear engine mounts).
3. Remove output shaft housing attaching screws,
then remove housing.
4. Remove snap ring, then pull output shaft out of
housing.
5. Remove snap ring from housing.
6. Using Quicksilver Slide Hammer Puller, remove
bearing from housing.
7. Remove flywheel cover.
8. Remove flywheel housing.
9. Remove engine coupling.
10. Clean and inspect all parts. Replace any dam-
aged parts.
Reassembly
1. Install engine coupling. Torque to 35 lb. ft.
(48 N·m).
2. Install flywheel housing. Torque to 30 lb. ft.
(41 N·m).
3. Using new gasket, install flywheel cover. Tighten
screws securely.
IMPORTANT: Groove in outside diameter of ball
bearing must align with grease fitting hole.
4. Install ball bearing into output shaft housing, then
install snap ring.
5. Apply Quicksilver 2-4-C Marine Lubricant With
Teflon to O-rings (on output shaft), then slide
shaft through bearing. Secure shaft with snap
ring.
6. Apply Quicksilver Engine Coupler Spline Grease
to splines on output shaft.
7. Install output shaft housing to flywheel housing.
Torque screws to 30 lb. ft. (48 N·m).
8. Secure rear engine mounts to stringer with bolts.
Tighten securely.
9. Remove hoist (or wooden blocks).
10. Install drive shaft and check alignment. (Refer to
Section 2 for engine and drive shaft alignment if
engine was removed.)
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