This service and repair manual covers Mercury Mercruiser 7.4L / 8.2L GM V8 engines from various production years, specifically focusing on Generation VI and L-29 engine families. These V-8 engines, featuring Multi-Port Fuel Injection (MPI) and electronic ignition, were available in sterndrive (MCM) and inboard (MIE) configurations, including models such as the MCM 454 Mag MPI, MCM 502 Mag MPI, MIE 454 Mag MPI Horizon, MIE 8.2L MPI, MCM 7.4L MPI, and MIE 7.4L MPI. The manual addresses their robust marine cooling systems, exhaust components, starting, charging, and power steering systems, as well as the Velvet Drive transmission and driveshaft assemblies.
This comprehensive English-language manual provides detailed exploded views, step-by-step procedures, and diagrams to assist in the maintenance and repair of these Mercury Mercruiser engines. It includes extensive coverage of maintenance procedures and a detailed troubleshooting guide to help diagnose and resolve common issues. Owners, mechanics, and technicians will find this resource invaluable for ensuring the optimal performance and longevity of their marine propulsion systems.
MERCURY MERCRUISER MARINE 7.4L 8.2L GM V8 # 23 SERVICE REPAIR MANUAL
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
ENGINE COVERED:
7.4L (454 CID) V-8
8.2L (502 CID) V-8
CONTENTS:
GENERAL INFORMATION
MAINTENANCE
TROUBLESHOOTING
ENGINE
REMOVAL & INSTALLATION
STARTING SYSTEM
IGNITION SYSTEM
CHARGING SYSTEM
INSTRUMENTATION
MULTI-PORT FUEL INJECTION
ELECTRICAL WIRING
FUEL SYSTEM
FUEL INJECTION
COOLING SYSTEM
EXHAUST SYSTEM
EXHAUST MANIFOLDS/ELBOWS
DRIVES
VELVET DRIVE TRANSMISSION
DRIVESHAFT/PROPELLER SHAFT
POWER STEERING SYSTEM
This is a very comprehensive manual (DOWNLOAD in PDF format) for MERCURY MERCRUISER MARINE 7.4L 8.2L GM V8 # 23, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
MERCURY MERCRUISER MARINE 7.4L 8.2L GM V8 # 23 SERVICE REPAIR MANUAL
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
ENGINE COVERED:
7.4L (454 CID) V-8
8.2L (502 CID) V-8
CONTENTS:
GENERAL INFORMATION
MAINTENANCE
TROUBLESHOOTING
ENGINE
REMOVAL & INSTALLATION
STARTING SYSTEM
IGNITION SYSTEM
CHARGING SYSTEM
INSTRUMENTATION
MULTI-PORT FUEL INJECTION
ELECTRICAL WIRING
FUEL SYSTEM
FUEL INJECTION
COOLING SYSTEM
EXHAUST SYSTEM
EXHAUST MANIFOLDS/ELBOWS
DRIVES
VELVET DRIVE TRANSMISSION
DRIVESHAFT/PROPELLER SHAFT
POWER STEERING SYSTEM
This is a very comprehensive manual (DOWNLOAD in PDF format) for MERCURY MERCRUISER MARINE 7.4L 8.2L GM V8 # 23, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
