1985-1989 Mercury Mercruiser MARINE ENGINES GM 4-Cylinder Workshop Service Repair Manual #10

Download Complete Service Repair Manual for 1985-1989 Mercury Mercruiser MARINE ENGINES GM 4-Cylinder

This Factory Service Repair Manual offers all the service and repair information about 1985-1989 Mercury Mercruiser MARINE ENGINES GM 4-Cylinder

The information on this manual covered everything you need to know when you want to repair or service 1985-1989 Mercury Mercruiser MARINE ENGINES GM 4-Cylinder

Models Covered:

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 30L-0C856450 and Above
Sea Ray 30L-0B787205 to B917530

NOTICE:
MCM 25L MCM30L Same as MCM 120

Sea Ray 30L-Same as MCM 140 (Later Models are rated at 130 HP and have 92:1 Compression ratio)

TABLE OF CONTENTS:

SECTION 1 Important Information
A Important Information
B Maintenance
C Troubleshooting

SECTION 2 Removal & Installation
A 4 Cyl

153-181 CID (25-30L)
B Driveshaft Extension Models

SECTION 3 Engine Mechanical
A GM 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 and Exhaust
A Seawater Cooled Models
B Closed Cooled Models
C Exhaust Manifolds/Elbows

SECTION 7 Power Steering
A Power Steering

This manual can be used by anyone from a first time owner/amateur to a professional technician

Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawingsKeep this manual handy and use it often Performing routine preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs

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File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English