Mariner Mercury 105/140 JET, Service Manual

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90-824052R3 JUNE 2002 LOWER UNIT - 6A-25
Removal, Disassembly,
Cleaning and Inspection -
Standard Rotation
REMOVAL
WARNING
Disconnect high tension leads from spark plugs
and remove spark plugs from engine before
removing gear housing from drive shaft housing.
1. Disconnect high tension leads from spark plugs
and remove spark plugs from engine.
CAUTION
Gear housing MUST BE in NEUTRAL position
and shift shaft MUST BE removed from gear
housing BEFORE propeller shaft can be
removed from gear housing.
2. Shift engine into neutral position.
3. Tilt engine to full up position and engage tilt lock
lever.
4. Bend tabs of propeller tab washer away from
thrust hub (rear), then remove propeller locknut,
tab washer, thrust hub (rear), propeller and thrust
hub (forward) from propeller shaft.
a
b
51866
c
d
d
f
e
51871
a - Thrust Hub (Forward)
b - Propeller Shaft
c - Continuity Washer (If Equipped)
d - Rear Thrust Hub
e - Tab Washer
f - Propeller Nut
5. Mark gear housing and trim tab so that trim tab
can be reinstalled in the same position. Remove
plastic cap at rear edge of drive shaft housing,
then unthread bolt that secures trim tab and re-
move trim tab from gear housing.
6. Once trim tab is removed, remove bolt from
inside of trim tab cavity.
7. Remove 2 locknuts from bottom middle of
anti-cavitation plate.
b
a
b
c
51866
a - Bolt (Secures Trim Tab)
b - Bolt (Inside Trim Tab Cavity)
c - Locknuts and Washers