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MerCruiser 5.7 MPI User Manual

MerCruiser 5.7 MPI
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Section 5 - Maintenance
90-864197072 NOVEMBER 2007 Page 53
Task Interval Maintenance to Be Performed
Every 5 years
Replace the coolant/anitifreeze. Replace every two years if not using
extended‑life coolant/antifreeze.
Maintenance Log
Record all maintenance performed on your power package here. Be sure to save all work
orders and receipts.
Date Maintenance Performed Engine Hours
Engine Oil
NOTICE
Discharge of oil, coolant, or other engine/drive fluids into the environment is restricted by
law. Use caution not to spill oil, coolant, or other fluids into the environment when using
or servicing your boat. Be aware of the local restrictions governing the disposal or
recycling of waste, and contain and dispose of fluids as required.
Checking
1. Stop the engine. Allow approximately 5 minutes for the oil to drain into the oil pan. The
boat must be at rest in the water.
2. Remove the dipstick. Wipe clean and reinstall fully into the dipstick tube. Wait 60
seconds to allow trapped air to vent.

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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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