This is the COMPLETE Service Repair Manual for the Mercury Mercruiser #10 MARINE ENGINES GM 4 Cylinder. Production model years 1985 1986 1987 1988 1989. It contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know.

The Service Manual contains detailed information, has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step-by-step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your Mercury Mercruiser #10 MARINE ENGINES GM 4 Cylinder. this manual offers full information you need for repair your Mercury Mercruiser #10 MARINE ENGINES GM 4 Cylinder. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

Models Covered:
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Models and Serial Number
MCM 120 MR→6853914 to 0A492055
MCM 120 Alpha I→0A492056 to 0B531853
MCM 2.5L→0C856450 and Above
MCM 140 MR→6852270 to 0A484072
MCM 140 Alpha I→0A484073 to 0B450800
MCM 3.0L→0C856450 and Above
Sea Ray 3.0L→0B787205 to B917530

NOTICE:
MCM 2.5L MCM3.0L - Same as MCM 120.
Sea Ray 3.0L-Same as MCM 140 (Later Models are rated at 130 HP and have 9.2:1 Compression ratio.)

SERVICE REPAIR MANUAL CONTAINS:
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SECTION 1 - Important Information
A - Important Information
B - Maintenance
C - Troubleshooting

SECTION 2 - Removal & Installation
A - 4 Cyl. 153-181 CID (2.5-3.0L)
B - Driveshaft Extension Models

SECTION 3 - Engine Mechanical
A - G.M. In-Line

SECTION 4 - Electrical Systems
A - Starting System
B - Ignition System
C - Charging Systems
D - Instrumentation
E - Electrical Kits
F - Wiring Diagrams

SECTION 5 - Fuel Systems
A - Fuel Delivery System
B - Fuel Pump
C - MerCarb 2-Barrel

SECTION 6 - Cooling & Exhaust
A - Seawater Cooled Models
B - Closed Cooled Models
C - Exhaust Manifolds/Elbows

SECTION 7 - Power Steering
A - Power Steering

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** Model Specification: Mercury Mercruiser #10 MARINE ENGINES GM 4 Cylinder
** Model Year: 1985-1989
** Language: English
** Total Pages: 308
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

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This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.

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