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MerCruiser MCM 3.0LX User Manual

MerCruiser MCM 3.0LX
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MAINTENANCE - 1B - 190-816462 2-695
Maintenance Schedule
Always disconnect battery cables from battery BEFORE working around electrical system components to prevent
injury to yourself and damage to electrical system should a wire be accidentally shorted.
To Be Done by Owner
TASK INTERVAL
Cooling System - Flush seawater section Saltwater: After each use
Seawater strainer Clean as required
Power package exterior surfaces - clean and paint Once a year
Engine crankcase oil - check level
Wkl
Closed cooling coolant - check level
Wkl
Power steering fluid - check level
Wkl
Stern drive unit oil - check level
Weekly
Battery check level and inspect for damage
Weekly
Fuel pump sight tube - check that no fuel is present
Power trim pump oil - check level
Anodes - inspect for erosion
Drive belts (all) - inspect condition and check tension
Every 100 hours or 120 days, whichev-
er occurs first
Propeller shaft - lubricate
Saltwater: Every 50 hours or 60 days,
whichever occurs first.
Fh E 100 h 120
Power package exterior surfaces - spray with rust preventive
Freshwater: Every 100 hours or 120
days, whichever occurs first.
Power package exterior surfaces - clean and paint Once a year
Cooling system - flush seawater section Saltwater: after each use
Index

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MerCruiser MCM 3.0LX Specifications

General IconGeneral
Displacement181 CID (3.0L)
Horsepower135 HP
Fuel SystemCarbureted
IgnitionElectronic
Alternator65 Amp
Cylinders4
AspirationNaturally Aspirated
Horsepower @ RPM135 HP @ 4800 RPM
Full Throttle RPM Range4400-4800 RPM
Fuel TypeGasoline
Cooling SystemRaw Water Cooled
Oil Capacity4.5 Quarts
Bore x Stroke4.00 x 3.60 in. (101.6 x 91.4 mm)
Dry Weight635 lbs

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