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Marine Power 454 - User Manual

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Summary

Engine Specifications

Model 454 Specifications

Details technical specifications like horsepower, torque, bore, stroke, and displacement.

Your New Marine Power Marine Engine

Starting Procedure

Provides instructions for starting the engine, including choke and throttle operation.

Engine Break-In Procedure

Details the proper break-in procedure for new engines or after major overhaul.

Lubrication System

Oil Pressure and Recommendations

Specifies oil pressure readings and recommends specific oil types for marine use.

Electrical System

Ignition Circuit Maintenance

Covers maintenance of distributor, points, spark plugs, and timing.

Ignition Timing

Front and Rear Ignition Timing

Illustrates timing marks on the torsional damper and flywheel for timing adjustment.

Ignition Timing Procedure

Explains how to set initial ignition timing using flywheel markings.

Engine Wiring Diagram

Model 454 Wiring Diagram

Presents a detailed wiring diagram for the engine and its electrical components.

Fuel System

Fuel Recommendations

Specifies required gasoline octane and advises against certain types.

Cooling System Diagrams

Standard Cooling System Diagram

Illustrates the flow of water in the standard cooling system.

Closed Cooling System Diagram

Illustrates the flow of water in the closed cooling system.

Closed Cooling System

System Description and Function

Explains the function and components of the closed cooling system.

Rotation Diagram

454 Engine Installation Rotation

Illustrates clockwise and counter-clockwise rotation for single and twin screw setups.

Engine Cylinder Block Assembly

Camshaft, Crankshaft, Piston, Rings, Bearings

2-Bolt Main Bearing Engine Parts

Lists part numbers for crankshaft, camshaft, pistons, rings, and bearings.

Cylinder Head and Valve Parts

Cylinder Head and Valve Components

Lists parts for cylinder head, valves, springs, rockers, and related components.

Starting Motor and Solenoid

Starting Motor and Solenoid Parts

Lists parts for the starting motor and solenoid assembly.

Marine Carburetor and Flame Arrestor

Carburetor and Flame Arrestor Parts

Lists parts for the carburetor, flame arrestor, and related components.

Marine Power 454 Specifications

General IconGeneral
Ignition SystemElectronic
Displacement7.4L (454 cu in)
Bore x Stroke4.25 in x 4.00 in (108 mm x 101.6 mm)
Fuel SystemElectronic Fuel Injection (EFI)
Cooling SystemRaw Water or Closed Cooling

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