This is a COMPLETE Service Repair Manual for the Mercury MerCruiser #31 Marine Engines 5.0L (305cid), 5.7L (350cid), 6.2L (377cid). This invaluable technical manual includes needed instructions to maintain and service your equipment using detailed diagrams and manufacturers specifications.

Models Covered in This Manual:
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Carbureted Models:
Sterndrive (MCM) --- Serial Number
5.0L Alpha and Bravo - S/N: 0M087348 and Above
5.7L Alpha and Bravo - S/N: 0M087348 and Above

Inboard (MIE) --- Serial Number
5.7L - S/N: 0L677227 and Above

Tow Sports (MIE) --- Serial Number
5.7L - S/N: 0L677946 and Above
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MPI Models:
Sterndrive (MCM) --- Serial Number
5.0L MPI Alpha and Bravo - S/N: 0M300000 and Above
350 MAG MPI Alpha and Bravo - S/N: 0M300000 and Above
350 MAG MPI Bravo Horizon - S/N: 0M300000 and Above
MX 6.2 MPI - S/N: 0M300000 and Above
MX 6.2 MPI Horizon - S/N: 0M300000 and Above

Inboard (MIE) --- Serial Number
350 MAG MPI Inboard - S/N: 0M310000 and Above
350 MAG MPI Horizon Inboard - S/N: 0M310000 and Above
MX 6.2 MPI Inboard - S/N: 0M310000 and Above
MX 6.2 MPI Horizon Inboard - S/N: 0M310000 and Above

Tow Sports (MIE) --- Serial Number
350 MAG MPI - S/N: 0M310000 and Above
Black Scorpion - S/N: 0M391600 and Above
MX 6.2 MPI - S/N: 0M310000 and Above
MX 6.2 Black Scorpion - S/N: 0M391750 and Above

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Table of Contents:
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Section 1 - Important Information
A - General Information
B - Maintenance
C - Troubleshooting
D - California Emissions Information

Section 2 - Removal and Installation
A - MCM Models
B - MIE Models

Section 3 - Engine
A - Engine Mechanical

Section 4 - Electrical System
A - Starting System
B - Carbureted Ignition System
C - MPI Ignition System
D - Charging System
E - Instrumentation

Section 5 - Fuel System
A - Carbureted Fuel System
B - MPI Fuel System Excluding Scorpion Models
C - Scorpion Fuel System

Section 6 - Cooling System
A - All Models
B - Seawater Cooled Models
C - Closed Cooled Models

Section 7 - Exhaust System
A - Manifolds, Elbows, And Risers For Wet Joint
B - Dry Joint Identification
C - Manifolds And Elbows With Dry Joint
D - Cold Riser With Dry Joint
E - Warm Riser With Dry Joint
F - Collectors

Section 8 - Drives
A - Velvet Drive In-Line And V-Drive Transmission
B - Velvet Drive 5000 Series Transmission
C - ZF/Hurth 630 And 800 Series Transmission
D - ZF Marine/Hurth 45C In-Line Transmission

Section 9 - Power Steering
A - Power Steering Pump

Section 10 - Water Flow Diagrams
A - General Information
B - Seawater Cooled Carbureted Models
C - Seawater Cooled MPI Models
D - Closed Cooled Carbureted Models
E - Closed Cooled MPI Models

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Model Specification: Mercury MerCruiser #31 Marine Engines 5.0L (305cid), 5.7L (350cid), 6.2L (377cid)
Language: English
Total Pages: 1096
File Format: PDF
Requirements: Adobe PDF Reader
ZOOM IN/OUT: YES
Downloadable: YES
Compatible: All Versions of Windows & Mac

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This manual provides detailed service information, step-by-step repair instruction and maintenance specifications for your Mercury MerCruiser #31 Marine Engines 5.0L (305cid), 5.7L (350cid), 6.2L (377cid).

This comprehensive overhaul and repair manual is designed as a "Service Guide" for MerCruiser models listed. It provides specific information including procedures for disassembly, assembly, inspection and adjustment, to enable dealers and service mechanics to keep the MerCruiser in top operating condition. The procedures are supplemented with photos and Illustrations.

All Official Mercury Marine Manuals for MerCruiser Sterndrives and Inboards include easy to follow, step-by-step illustrated procedures based on the complete dismantling, repair, and assembling of boat motors, from the simplest repair to complex procedures, this manuals give you everything you need to do the job with confidence.

Save Money $$$$$$ By doing your own repairs! All pages are printable, so run off what you need & take it with you into the garage or workshop.

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