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MerCruiser 350 MAG MPI User Manual

MerCruiser 350 MAG MPI
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Section 3 - On The Water
90-864195070 JUNE 2007 Page 47
Drain Plug and Bilge Pump
The engine compartment in your boat is a natural place for water to collect. For this reason,
boats are normally equipped with a drain plug and/or a bilge pump. It is very important to
check these items on a regular basis to ensure that the water level does not come into
contact with your power package. Components on your engine will be damaged if
submerged. Damage caused by submersion is not covered by the Mercury MerCruiser
Limited Warranty.
Basic Boat Operation (DTS Models)
Launching and Boat Operation
IMPORTANT: Install bilge drain plug prior to launching boat.
OPERATION CHART
Operation Chart
BEFORE STARTING AFTER STARTING WHILE UNDERWAY AFTER STOPPING
Install bilge drain plug.
Observe all gauges to
check condition of
engine. If not normal, stop
engine.
Observe all gauges to
check condition of engine. If
not normal, stop engine.
Turn ignition key to the
"OFF" position.
Open engine hatch.
Check for fuel, oil, water,
fluid and exhaust leaks.
Listen for the audio alarm.
Turn battery switch to the
"OFF" position.
Turn battery switch on.
Check shift and throttle
control operation.
Close fuel shut off valve.
Operate bilge blowers. Check steering operation.
Close seacock, if
equipped.
Open fuel shut off valve.
Flush cooling system if in
saltwater.
Open seacock, if
equipped.
Drain bilge.
Close the drain system.
Place sterndrive unit in
full down/in position.
Check the engine oil.
Perform all other checks
specified by your dealer
and/or boat builder.
Listen for Audio Warning
Alarm to sound when the
ignition switch is in the
"ON" position.
Starting and Stopping the Engine
NOTE: Perform only those functions applicable to your power package.
STARTING THE ENGINE
1. Check all items listed in the Operation Chart.
2. Place the remote control handle in neutral.

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MerCruiser 350 MAG MPI Specifications

General IconGeneral
Engine TypeV8
Horsepower300 HP
Ignition SystemElectronic ignition
Alternator65 amp
Compression Ratio9.4:1
Displacement5.7L (350 cu in)
Fuel SystemMulti-Point Injection (MPI)
Bore x Stroke4.00" x 3.48" (101.6mm x 88.39mm)

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