Protecting Internal Engine Components; Protecting External Outboard Components - Mercury 75 OptiMax Owner's Manual

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

Protecting Internal Engine Components

NOTE: Make sure the fuel system has been prepared for
storage. Refer to Fuel System , preceding.
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. Reinstall spark plugs.

Protecting External Outboard Components

• Lubricate all outboard components listed in Maintenance ‑
Inspection and Maintenance Schedule.
eng
STORAGE
9192
89
91‑44357Q 2
Attaches to the water intakes;
provides a fresh water
connection when flushing the
cooling system or operating
the engine.