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Section 6 - Storage
Cold Weather or Extended Storage
IMPORTANT: Mercury MerCruiser strongly recommends that this service should be performed by an authorized Mercury
MerCruiser dealer. Damage caused by freezing temperatures IS NOT covered by the Mercury MerCruiser Limited Warranty.
Water trapped in the seawater section of the cooling system can cause corrosion or freeze damage. Drain the seawater section
of the cooling system immediately after operation or before any length of storage in freezing temperatures. If the boat is in the
water, keep the seacock closed until restarting the engine to prevent water from flowing back into the cooling system. If the boat
is not fitted with a seacock, leave the water inlet hose disconnected and plugged.
NOTE: As a precautionary measure, attach a tag to the key switch or steering wheel of the boat reminding the operator to open
the seacock or unplug and reconnect the water inlet hose before starting the engine.
IMPORTANT: Mercury MerCruiser requires that propylene glycol antifreeze, mixed to the manufacturers instructions, be used in
the seawater section of the cooling system for freezing temperatures or extended storage. Make sure that the propylene glycol
antifreeze contains a rust inhibitor and is recommended for use in marine engines. Be certain to follow the propylene glycol
manufacturer's recommendations.
Preparing Power Package for Storage
1.
Fill the fuel tanks with fresh gasoline that does not contain alcohol and a sufficient amount of Quicksilver Gasoline Stabilizer
for Marine Engines to treat the gasoline, following the instructions on the container.
2.
If fuel without alcohol is not available and the boat will be stored with gasoline that contains alcohol in the tanks, drain the fuel
tanks as low as possible and add Mercury/Quicksilver Gasoline Stabilizer for Marine Engines to any fuel remaining in the
tank. Refer to Fuel Requirements for additional information.
3.
Flush the cooling system. Refer to the Maintenance section.
4.
Supply cooling water to engine. Refer to the Maintenance section
5.
Operate the engine long enough to bring it up to normal operating temperature and allow fuel with Mercury/Quicksilver
Gasoline Stabilizer to circulate through the fuel system. Shut off the engine.
6.
Change the oil and oil filter.
7.
Prepare the engine and fuel system for storage. See Engine and Fuel System Preparation.
8.
Drain the engine seawater cooling system. Refer to Section 5, Draining the Seawater System.
Water trapped in the seawater section of the cooling system can cause corrosion or freeze damage. Drain the seawater section
of the cooling system immediately after operation or before any length of storage in freezing temperatures. If the boat is in the
water, keep the seacock closed until restarting the engine to prevent water from flowing back into the cooling system. If the boat
is not fitted with a seacock, leave the water inlet hose disconnected and plugged.
9.
After draining, fill the seawater cooling system with propylene glycol mixed to the manufacturer's recommendation for the
lowest temperature to which the engine will be exposed during freezing temperatures or extended storage.
10. Store the battery according to the manufacturer's instructions.
Engine and Fuel System Preparation
Fuel is flammable and explosive. Ensure 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.
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.
In a 23 L (6 US gal) remote fuel tank mix:
a.
19 L (5 US gal) regular unleaded 87 octane (90 RON) gasoline
b.
1.89 L (2 US qt) Premium Plus 2‑Cycle TC‑W3 Outboard Oil
c.
150 ml (5 oz) Fuel System Treatment and Stabilizer or 30 ml (1 oz) Fuel System Treatment and Stabilizer Concentrate
Page 118
NOTICE
NOTICE
WARNING
!
WARNING
!
90-864197084 NOVEMBER 2008
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