MECURY MERCRUISER GM V8 7.4L / 8.2L #23 Service Manual

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🏷️ Basic Information Identification Make: Mercury MerCruiser Model: GM V8 7.4L / 8.2L Engine Family: GM V8 454 cid (7.4L) / 502 cid (8.2L) Generation: Gen. VI and L-29 Engines...

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Type: Engine

Vendor:

Sku: 37917

Tags: Engine GM V8 Inboard Engines MAG Marine Mercury MERCURY MERCRUISER GM V8 7.4L MERCURY MERCRUISER GM V8 8.2L

Product variants

Description

🏷️ Basic Information

Identification

Make:

Mercury MerCruiser

Model:

GM V8 7.4L / 8.2L

Engine Family:

GM V8 454 cid (7.4L) / 502 cid (8.2L)

Generation:

Gen. VI and L-29 Engines

📋 Manual Details

Documentation

Manual Type:

Service Manual

Format:

PDF Download

Language

Language:

English

⚙️ Engine Specifications

General

Engine Type:

Displacement

Displacement Cubic Inches:

454, 502

Displacement Liters:

7.4, 8.2

Fuel System

Fuel System Type:

Multi-Port Fuel Injection (MPI)

Ignition

Ignition System Type:

Electronic Ignition

Cooling System

Cooling System Options:

Seawater Cooled, Closed Cooled (Fresh Water)

Power

Power Output Note:

Specific power ratings not provided in the product description, but typically in the 300-400+ HP range depending on configuration.

🔧 Transmission

Sterndrive Models

Sterndrive Options:

Bravo and Blackhawk Drives

Inboard Models

Inboard Transmission Options:

Velvet Drive (In-line, 5000A Down Angle, 5000V V-Drive), Hurth (V-Drive), Walter V-Drive

Gears

Gear Ratio Note:

Gear ratios are specific to the transmission model and drive type, not detailed in the product description.

🔧 Maintenance

Troubleshooting

Troubleshooting Sections:

General, Engine, Electrical System, Fuel System, Cooling System, Exhaust System, Drives, Power Steering

Diagnostics

Trouble Code Diagnostics:

454/502 Mag MPI & 8.2L MPI, 7.4L MPI

📄 Vehicle Fitment

Sterndrive Mcm

Model Mcm 454 Mag Mpi:

0L010029 & Up

Model Mcm 502 Mag Mpi:

0L017000 & Up

Model Mcm 7.4L Mpi:

0L010003 & Up

Inboard Mie

Model Mie 454 Mag Mpi Horizon:

0L002200 & Up

Model Mie 8.2L Mpi:

0L002450 & Up

Model Mie 7.4L Mpi:

0L002006 & Up