Power Package Layup - Mercury MerCruiser MCM 4.3L ALPHA Service Manual

SERVICE MANUAL NUMBER 25

Power Package Layup

Refer to "Precautions" in this section BEFORE proceeding.
IMPORTANT: Mercury MerCruiser strongly recommends that this service be per-
formed by an Authorized Mercury MerCruiser Dealer. Damage caused by freezing IS
NOT covered by the MerCruiser Limited Warranty.
1. Fill fuel tank(s) with fresh gasoline that does not contain alcohol and a sufficient amount
of Quicksilver Gasoline Stabilizer for Marine Engines to treat gasoline. Follow instruc-
tions on container.
2. If boat is to be placed in storage with fuel containing alcohol in fuel tanks (if fuel
without alcohol is not available): Fuel tanks should be drained as low as possible and
Quicksilver Gasoline Stabilizer for Marine Engines added to any fuel remaining in the
tank. Refer to "Fuel Requirements" for additional information.
NOTE: If desired, a portable fuel tank can be used to perform the remainder of the power
package layup procedures. Be sure to add an appropriate amount of Gasoline Stabilizer to
the portable tank.
3. Run engine sufficiently to bring it up to normal operating temperature and allow fuel with
Quicksilver Gasoline Stabilizer to circulate through fuel system.
4. Shut off engine.
5. Change oil and oil filter.
6. Flush cooling system. Refer to "Flushing Cooling System" procedure.
7. Close the fuel shutoff valve, if equipped. If no fuel shutoff valve is present, a suitable
method must be employed to STOP the flow of fuel from the fuel tank to the engine
before proceeding.
Index
90-861328--1 NOVEMBER 1999
NOTICE
MAINTENANCE
Page 1B-31