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Mercury Optimax User Manual

Mercury Optimax
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STORAGE
81
b. 8 cc (0.27 oz.) or 2 teaspoons of Mercury Precision Fuel
Stabilizer.
10.Remove the fuel filter. See Maintenance - Fuel System for
procedure.
11.Pour this mixture into the fuel filter opening. Reinstall the fuel
filter.
12.Prime the fuel system. See Operation - Starting The
Engine.
13.Place the outboard in water or use the flush hose or flushing
device or for circulating cooling water. Start the engine and
run at idle speed for five minutes to allow the treated fuel to fill
the fuel system.
Flushing Device 91‑44357Q 2
9192
Attaches to the water intakes;
provides a fresh water
connection when flushing the
cooling system or operating the
engine.
Protecting Internal Engine Components
NOTE: Make sure the fuel system has been prepared for storage.
Refer to
Fuel System
, preceeding.
IMPORTANT: Refer to
Spark Plug Inspection and Replacement
for correct procedure for removing spark plug leads.
1. Remove the spark plugs. Add approximately 30 ml (1 oz.) of
engine oil or inject a five second spray of storage seal into
each spark plug hole.
2. Rotate the flywheel manually several times to distribute the oil
or storage seal in the cylinders.
3. Re‑install spark plugs.

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Mercury Optimax Specifications

General IconGeneral
StartingElectric
Engine Type2-Stroke
Fuel SystemDirect Fuel Injection (DFI)
DisplacementVaries by model (e.g., 1.5L, 1.7L, 2.5L, 3.0L)
Shaft Length20", 25"
Fuel Tank CapacityExternal
CylindersVaries by model (e.g., 3, 4, 6 cylinders)

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