ENGINE MECHANICAL
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 3A-149
INSPECTION
1. Visually inspect rear portion of flywheel housing and flywheel housing for cracks, holes,
and excessive wear.
2. Inspect O-ring on rpm speed sensor.
3. Replace if necessary.
INSTALLATION
1. Install new O-ring into groove of flywheel housing.
70410
a
a-O-ring
IMPORTANT: Flywheel housing fasteners and hardware must be installed from where
removed.
2. Install flywheel housing. Torque the 9 bolts with washers to 50 Nm (37 lb-ft). Then, torque
the 6 rear main bearing carrier nuts with washers to 27 Nm (20 lb-ft).
IMPORTANT: Flywheel bolts may be used a maximum of 3 times within the prescribed
torque limits.
3. Lubricate threads of flywheel bolts with clean engine oil and install flywheel. Torque bolts
to 110 Nm (81 lb-ft).
4. On Sterndrive (MCM) Models: Install engine coupler. Apply Loctite 271 to threads and
torque bolts to 30 Nm (22 lb-ft).
5. On Inboard (MIE) Models: Install drive plate. Apply Loctite 271 to threads and torque
bolts to 72 Nm (53 lb-ft).
6. Install rear portion of flywheel housing. Torque bolts to 50 Nm (37 lb-ft).
7. Using the screw and wave washer, install and connect the rpm speed sensor.
8. Install the starter and other components previously removed.
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