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1977-1989 Mercury 45 hp-220 hp 2-stroke outboard motor service manual Preview image 1
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1977-1989 Mercury 45 hp-220 hp 2-stroke outboard motor service manual

Includes the following models

  • 45hp, 4cyl, 1986 1987 1988 1989
  • 50hp, 3cyl, 1986 1987 1988 1989
  • 50hp, 4cyl, 1982 1983 1984 1985
  • 60hp, 3cyl, 1984 1985 1986 1987 1988 1989
  • 70hp, 3cyl, 1980 1981 1982 1983
  • 75hp, 3cyl, 1987 1988 1989
  • 75hp, 4cyl, 1984 1985 1986
  • 80hp, 4cyl, 1978 1979 1980 1981 1982 1983
  • 85hp, 4cyl, 1977
  • 90hp, 3cyl, 1987 1988 1989
  • 90hp, 6cyl, 1979 1980 1981 1982 1983 1984 1985 1986
  • 100hp, 4cyl, 1988 1989
  • 115hp, 4cyl, 1989
  • 115hp, 6cyl, 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
  • 135hp, v6, 1986 1987 1988 1989
  • 140hp, 6cyl, 1978 1979 1980
  • 150hp, v6, 1979 1980
  • 175hp, v6, 1979 1980
  • 175hp, v6, 1985 1986 1987 1988 1989
  • 200hp, v6, 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
  • 220EFI, v6,1987 1988

File specifications

File size: 34.75 MB
File type: PDF
Language: English

Printable: Yes
Estimated download time: 0.71 Minutes
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Product Information

Table of Contents

  1. General Information

    • 1.1 Safety Information
    • 1.2 Model Identification
    • 1.3 Specifications
    • 1.4 Tools and Equipment
    • 1.5 Maintenance Schedule
  2. Engine

    • 2.1 Engine Service
    • 2.2 Engine Removal and Installation
    • 2.3 Powerhead Overhaul
    • 2.4 Ignition System
    • 2.5 Fuel System
  3. Fuel System

    • 3.1 Carburetor Adjustment and Overhaul
    • 3.2 Fuel Pump Service
    • 3.3 Fuel Line and Filter
  4. Ignition System

    • 4.1 Ignition Timing
    • 4.2 Spark Plug Inspection
    • 4.3 Ignition Component Testing
  5. Electrical System

    • 5.1 Charging System
    • 5.2 Starter Motor
    • 5.3 Electrical Connections
  6. Lower Unit

    • 6.1 Gearcase Removal and Installation
    • 6.2 Propeller Selection and Maintenance
    • 6.3 Water Pump Service
  7. Power Trim and Tilt

    • 7.1 Hydraulic System Service
    • 7.2 Electrical System Service
  8. Steering System

    • 8.1 Steering Linkage and Cable
    • 8.2 Hydraulic Steering Service
  9. Troubleshooting

    • 9.1 Engine Troubleshooting
    • 9.2 Fuel System Troubleshooting
    • 9.3 Ignition System Troubleshooting
    • 9.4 Lower Unit Troubleshooting
    • 9.5 Power Trim and Tilt Troubleshooting
  10. Winterization and Storage

    • 10.1 Engine Winterization
    • 10.2 Long-Term Storage
  11. Appendices

    • 11.1 Torque Specifications
    • 11.2 Wiring Diagrams
    • 11.3 Lubricant and Sealant Chart
  12. Index

The 1977-1989 Mercury 45 hp-220 hp 2-stroke outboard motor service manual is an essential tool for mechanics, technicians, and owners. It provides detailed information on maintenance, troubleshooting, and repair procedures, as well as specifications for the outboard motor. This comprehensive manual ensures that users can effectively service and maintain their Mercury outboard motor, saving time and money on repairs.

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