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Mercury Optimax 150 User Manual

Mercury Optimax 150
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RIGHT HAND NON-RATCHETING
90-855347R1 JANUARY 1999 Page 6A-11
To prevent corrosion damage after reassembly, apply Quicksilver 2-4-C w/Teflon Marine
Lubricant to external surfaces of bearing carrier and cover nut threads prior to installation.
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 driveshaft 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 propel-
ler shaft.
51871
51866
a
b
c
d
d
e
f
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 driveshaft housing, then unthread bolt that se-
cures trim tab and remove trim tab from gear housing.
6. Once trim tab is removed, remove bolt from inside of trim tab cavity.

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Mercury Optimax 150 Specifications

General IconGeneral
Horsepower150 HP
Engine TypeV6
Alternator Output60 amp / 756 watt
StartingElectric
SteeringRemote
Displacement2.5 L
Fuel Induction System2-Stage Direct Fuel Injection (DFI)
Shaft Length20", 25"
Dry Weight431 lbs (20 in), 439 lbs (25 in)

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