Protecting Internal Engine Components - Mercury 200 Optimax DTS Owner's Manual

a - Left side fitting
b - Drain screw
8. Retighten drain screw and reattach hose.
9. Premix the following in a container:
a. 8 cc (0.27 oz.) or 2 teaspoons of Mercury Precision Quickleen lubricant.
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 connect flushing attachment 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, preceeding.
IMPORTANT: Refer to Spark Plug Inspection and Replacement for correct procedure for removing spark plug
leads.
1. Remove the spark plugs and add approximately 30 ml (1 oz.) of engine oil into each spark plug hole.
2. Rotate the flywheel manually several times to distribute the oil in the cylinders.
3. Re‑install spark plugs.
STORAGE
a
9192
72
b
c
ob01676
c - Drain hose
91‑44357Q 2
Attaches to the water intakes; provides
a fresh water connection when flushing
the cooling system or operating the
engine.