Mercruiser Service Manual #10 Mercury Marines GM 4 Cylinder 1985-1989

This is the most complete service repair manual for the 19851989 Mercury Marines GM 4 Cylinder .
This manual contains service, repair procedures, assmbling, disassembling, wiring diagrams and everything you need to know.

Mercruiser Models Coveres:

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



Service Repair Manual Covers:

Sec 1 Important Information
A-Important Information
B-Maintenance
C-Troubleshooting

Sec 2 Removal & Installation
A-4 Cyl 153-181 cid (2.5-3.0L)
B-Driveshaft Extension Models

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

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

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

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

Sec 7 Power Steering
A-Power Steering

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File Format: PDF
Language: English
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Requirements: Adobe PDF Reader
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