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Mercury 300 XS OptiMax User Manual

Mercury 300 XS OptiMax
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STORAGE
eng 93
3. Loosen the filter drain screw (left side of the chamber) and allow the
contents to drain.
NOTE: If little or no liquid drains from the hose, loosen the red filter to vent the
chamber.
4. Tighten drain screw and reattach the hose.
5. Remove the drain hose from the forward hose fitting (left side of the
chamber). Hold the unattached end of the hose over a suitable container.
a - Forward hose fitting
b - Float chamber drain screw
c - Drain hose
6. Loosen the float chamber drain screw (right side of the chamber) and
allow the contents to drain.
7. Tighten drain screw and reattach the hose.
8. Premix the following in a container:
8 cc (0.3 oz.) or 2 teaspoons of Mercury Precision Quickleen lubricant.
8 cc (0.3 oz.) or 2 teaspoons of Mercury Precision Fuel Stabilizer.
9.
Remove the fuel filter. Refer to Fuel System in the Maintenance section
of this manual.
10. Pour the mixture into the fuel filter opening.
11. Install the fuel filter.
12.
Prime the fuel system as described in the Starting the Engine in the
Operation section of this manual.
13. Place the outboard in water or use the flushing attachment for circulating
cooling water. Start the engine and run at idle speed for 5 minutes to
allow the treated fuel to fill the fuel system.
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.
a
c
b
29451

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Mercury 300 XS OptiMax Specifications

General IconGeneral
BrandMercury
Model300 XS OptiMax
CategoryOutboard Motor
LanguageEnglish

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