MECURY MERCRUISER GM V8 7.4L / 8.2L #23 SERVICE MANUAL

MARINE ENGINES

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

Models Covered in This Manual
Gen. VI Engines
Sterndrive (MCM) Model Serial Number
MCM 454 Mag MPI 0L010029 & Up
MCM 502 Mag MPI 0L017000 & Up
Inboard (MIE) Model Serial Number
MIE 454 Mag MPI Horizon 0L002200 & Up
MIE 8.2L MPI 0L002450 & Up
L-29 Engines
Sterndrive (MCM) Model Serial Number
MCM 7.4L MPI 0L010003 & Up
Inboard (MIE) Model Serial Number
MIE 7.4L MPI 0L002006 & Up


Service Manual Outline
Section 1 - Important Information
A - General Information
B - Maintenance
C - Troubleshooting
Section 2 - Removal and Installation
A - MCM Models - Bravo and Blackhawk Drives
B - MCM Models - Bravo and Blackhawk Drives with
Driveshaft Extension
C - MIE Models - Velvet Drive Transmission
D - MIE Models - Hurth Transmission
Section 3 - Engine
A - 454 cid (7.4L) / 502 cid (8.2L)
Section 4 - Electrical System
A - Starting System
B - Ignition System
C - Charging System
D - Instrumentation
E - Wiring Diagrams
Section 5 - Fuel System
A - Fuel Delivery System for Electronic Fuel Injection
B - Multi-Port Fuel Injection Descriptions and System Operation
C - Multi-Port Fuel Injection Disassembly and Reassembly
D - Fuel Injection System Troubleshooting
E - General System Diagnostics
F - Trouble Code Diagnostics - 454/502 Mag MPI & 8.2L MPI
G - Trouble Code Diagnostics - 7.4L MPI
Section 6 - Cooling System
A - Seawater Cooled Models
B - Closed Cooled (Fresh Water) Models
Section 7 - Exhaust System
A - General
B - Manifolds and Elbows
C - Risers
D - Collectors
Section 8 - Drives
A - Velvet Drive In-Line Transmission
B - Velvet Drive 5000A Down Angle Transmission
C - Velvet Drive 5000V V-Drive Transmission
D - Hurth V-Drive Transmission
E - Walter V-Drive Transmission
F - Drive Shaft / Propeller Shaft Models
Section 9 - Power Steering
A - Pump