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Starting, Shifting, and Stopping
Important Information—SmartStart
IMPORTANT: This Mercury Diesel model is equipped with SmartStart. SmartStart performs all appropriate starting operations
upon initial start switch actuation. To begin the Smartstart sequence, turn the ignition key switch to the "START" position and
release, or turn the ignition key switch the run position and press and release the start/stop switch, if equipped.
Rather than holding the start button or key switch in position until the engine starts, SmartStart controls the starting process
automatically. When the start switch is actuated the system signals the engine ECM to start the engine. The starter will receive
power until the engine starts, the starting process times out after a few seconds, or when the engine reaches 400 RPM.
Attempting to start the engine with the engine running will turn the engine off.
Vapors can ignite and cause an explosion, resulting in engine damage or severe personal injury. Do not use volatile starting
aids such as ether, propane, or gasoline in the engine air intake system.
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.
Before Starting the Engine
Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage. Provide
a sufficient supply of water to the water inlets during operation.
IMPORTANT: Observe the following before starting:
•
If running the engine out of the water you must provide water to both the engine and sterndrive seawater pickup pumps.
See, Flushing the Seawater System in section 5 of this manual for seawater pickup information.
•
Ensure that the drive is trimmed in to its full down trim position.
•
Never operate the starter motor longer than 15 seconds at a time to avoid overheating the starter motor. If the engine does
not start, wait one minute to allow the starter motor to cool; then, repeat the starting procedure.
•
Ensure that the engine crankcase is filled to the correct level with the proper grade of oil for the prevailing temperature.
See Specifications—Engine Oil.
•
Ensure that all electrical connections are secure.
•
Check all items listed in the Maintenance Schedules and Operation Chart.
•
Perform any other necessary checks as indicated by your Mercury Diesel authorized repair facility or specified in your boat
owner's manual.
Starting a Cold Engine
A spinning propeller, a moving boat, or any solid device attached to the boat can cause serious injury or death to swimmers.
Stop the engine immediately whenever anyone in the water is near your boat.
NOTE: Check the fluid levels before starting the engine. Refer to Section 5 ‑ Maintenance Schedule .
1.
Turn on and run the engine compartment bilge blower (if equipped) for five minutes. Alternately, open the engine hatch to
air out the bilge before attempting to start the engine.
2.
Place the control handle in neutral.
NOTE: If the engine has not been run for a period of time and will not readily start with the standard starting procedure, use
the fuel primer located on the fuel filter header. Cycle the primer plunger up and down four or five strokes before
attempting to start the engine.
3.
Turn the ignition key to the "RUN" position.
4.
Turn the ignition key switch to the "START" position then release, or press the start/stop button and release. If the engine
is cold, allow the engine to operate at idle for 6–10 minutes or until the engine reaches normal operating temperature.
90-8M0069751
APRIL 2012
eng
WARNING
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WARNING
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NOTICE
WARNING
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Section 3 - On the Water
Page 27
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