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: ======== 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 ____________ 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 ************************* Table of Contents: ======== 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 ************************* 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 ************************* 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. INSTANT DOWNLOAD means NO SHIPPING COST or WAITING FOR A CD OR PAPER MANUAL TO ARRIVE IN THE MAIL...YOU WILL RECEIVE THIS MANUAL TODAY VIA INSTANT DOWNLOAD ON COMPLETION OF PAYMENT VIA OUR SECURE PAYMENT PROCESSOR. WE ACCEPT ALL MAJOR CREDIT/DEBIT CARDS/PAYPAL. Looking for some other Service Repair Manual, please check: Thanks for visiting!