Section 6 - Storage
Page 98
90-8M0074347
eng
OCTOBER 2012
NOTICE
The universal joint bellows may develop a set when stored in a raised or up position, causing the bellows to fail when
returned to service and allowing water to enter the boat. Store the sterndrive in the full down position.
11. Store boat with drive unit in full down/in position.
12. Store the battery according to the manufacturer's instructions.
Engine and Fuel System Preparation
!
WARNING
Fuel is flammable and explosive. Ensure that the key switch is off and the lanyard is positioned so that the engine cannot
start. Do not smoke or allow sources of spark or open flame in the area while servicing. Keep the work area well ventilated
and avoid prolonged exposure to vapors. Always check for leaks before attempting to start the engine, and wipe up any
spilled fuel immediately.
!
WARNING
Fuel vapors trapped in the engine compartment may be an irritant, cause difficulty breathing, or may ignite resulting in a fire
or explosion. Always ventilate the engine compartment before servicing the power package.
1. Prepare carbureted fuel system for extended storage as follows:
a. Start engine.
b. Provide cooling water to the engine as done in the previous step.
c. Remove flame arrestor assembly.
d. Close the fuel shut off valve, if equipped. Disconnect and plug the fuel inlet fitting if not equipped with a fuel shut off
valve.
e. While operating engine at fast idle (1300 RPM), fog internal surfaces of induction system and combustion changers
by spraying approximately 227 g (8 oz.) of Mercury/Quicksilver Storage Seal or SAE 20W engine oil into carburetor
bores.
f.
Spray the remaining 57 g (2 oz.) of Storage Seal (or oil) rapidly into carburetor, just as the engine begins to stall, due
to lack of fuel. Allow engine to stop.
Tube Ref No.
Description
Where Used
Part No.
119
Storage Seal Rust
Inhibitor
Carburetor
92-858081K03
g. Turn ignition key to "OFF" position.
2. Refer to
Flushing the Power Package
and appropriately remove the water supply the the seawater pickup pump.
3. Clean the flame arrestor and crankcase ventilation hoses and reinstall.
4. Lubricate all items listed in the
Lubrication
section.
5. On models with closed cooling systems: Test coolant to ensure that it will withstand the lowest temperature expected
during storage.
6. Service batteries according to the manufacturer's instructions.
7. Clean the outside of the engine and repaint any areas required with Mercury/Quicksilver Light Gray Primer and Phantom
Black Paint. After paint has dried, wipe down the outside of the engine with Corrosion Guard.
Tube Ref No.
Description
Where Used
Part No.
120
Corrosion Guard
Outside of engine
92-802878 55
8. For sterndrive unit lay‑up, refer to appropriate Mercury MerCruiser sterndrive service manual.
9. Replace the fuel filter. Refer to the
Maintenance
section for proper procedure.
10. Change the oil and oil filter.
