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Mercury Optimax 150 User Manual

Mercury Optimax 150
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DIRECT FUEL INJECTION
90-855347R1 JANUARY 1999 Page 3B-27
3. Fuel pump may be removed from cover by wiggling slightly while pulling outward.
IMPORTANT: DO NOT twist pump during removal as wire harness may be dam-
aged.
4. Disconnect harness from pump to separate pump from cover. Inspect filter screen for
debris. Screen may be pried out of pump and cleaned as required.
5. Inspect seal above fuel pump for cuts or abrasions. Replace seal if necessary. Apply
2-4-C w/Teflon to seal lips.
56058
56057
c
b
c
b
a
d
a-Filter Screen
b-Harness Connector
c-Pump
d-Seal (Seal shoulder faces OUT)
6. Loosen screw securing float assembly and remove float. Inspect float for deterioration
or fuel retention. Replace float as required.
7. Remove phenolic sealing plate and inspect imbedded neoprene seal on both sides
of plate for cuts or abrasions. Replace plate/seal assembly as required.
56059
a
c
d
56058
b
a
a
b
a-Screw
b-Float
c-Plate
d-Seal

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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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