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MerCruiser 5.7 MPI User Manual

MerCruiser 5.7 MPI
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Section 3 - On The Water
Page 32 90-864197072 NOVEMBER 2007
1. Example of desired air flow through the boat.
mc79553-1
Poor Ventilation
Under certain conditions, permanently enclosed or canvas enclosed cabins or cockpits with
insufficient ventilation may draw in carbon monoxide. Install one or more carbon monoxide
detectors in your boat.
Although the occurrence is rare, on a very calm day, swimmers and passengers in an open
area of a stationary boat that contains or is near an operating engine may be exposed to
a hazardous level of carbon monoxide.
1. Examples of poor ventilation while a boat is stationary:
mc79554-1
a
b
a - Operating the engine when the
boat is moored in a confined space
b - Mooring close to another boat with
its engine operating
2. Examples of poor ventilation while a boat is moving:
mc79556-1
a
b
a - Operating the boat with the trim
angle of the bow too high
b - Operating the boat with no forward
hatches open (station wagon effect)
Basic Boat Operation (Non‑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.

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MerCruiser 5.7 MPI Specifications

General IconGeneral
Engine TypeV8
Fuel SystemMulti-Port Fuel Injection (MPI)
Horsepower300 HP
IgnitionElectronic
Cylinders8
Fuel TypeGasoline
Alternator65 amp
Compression Ratio9.4:1
Fuel Requirement87 octane (minimum)
Displacement5.7L (350 cu in)
Max RPM5000 RPM

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