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Mercury 15XD - Storage Preparations; Fuel System; Protecting External Engine Components; Protecting Internal Engine Components

Mercury 15XD
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MAINTENANCE
Page 1B-12 90-826883R2 JUNE 1998
5. Remove lubricant tube and reinstall cleaned fill/drain plug and sealing washer.
Storage Preparations
Fuel System
IMPORTANT: Gasoline containing alcohol (ethanol or methanol) can cause a for-
mation of acid during storage and can damage the fuel system. If the gasoline be-
ing used contains alcohol, It is advisable to drain as much of the remaining gaso-
line as possible from the fuel tank, remote fuel line, and engine fuel system.
Fillthefuelsystem(tank,hoses,fuelpumps,andfuelinjectionsystems)withtreated(sta-
bilized)fuel tohelpprevent formationofvarnish and gum. Proceedwithfollowinginstruc-
tions.
1. PortableFuelTank --PourtherequiredamountofQuicksilverGasolineStabilizer(fol-
lowinstructionsoncontainer)intofueltank.Tipfueltankbackandforthtomixstabiliz-
er with the fuel.
2. Permanently Installed FuelTank -- Pourthe required amountof QuicksilverGasoline
Stabilizer(follow instructionsoncontainer) intoaseparate containerandmix withap-
proximately one quart (one liter) of gasoline. Pour this mixture into fuel tank.
3. Placetheoutboard inwater orconnect flushingattachment forcirculating coolingwa-
ter. Run the engine for ten minutes to allow treated fuel to fill the fuel system.
Protecting External Engine Components
1. Lubricate all outboard components listed in the Inspection and Maintenance Sched-
ule.
2. Touch up any paint nicks.
3. SprayQuicksilverCorrosionGuardonexternalmetalsurfaces(exceptcorrosioncon-
trol anodes).
Protecting Internal Engine Components
NOTE: Before performing Steps 1 and 2, make sure the fuel system has been prepared
for storage.
1. Placetheoutboard inwater orconnect flushingattachment forcirculating coolingwa-
ter. Start the engine and let it run in neutral to warm up.
2. With engine running at fast idle, stop the fuel flow by disconnecting the remote fuel
line.Whenenginebeginstostall,quicklysprayQuicksilverStorageSealintocarbure-
tor until engine stops from lack of fuel.
3. Remove the spark plugs and inject a five second spray of Quicksilver Storage Seal
around the inside of each cylinder.

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