Mercury Mariner 25 Marathon, 25 Sea Pro, 20jet, 20 hp, 25 hp outboard motor service manual

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Mercury Mercury Mariner 25 Marathon, 25 Sea Pro, 20jet, 20 hp, 25 hp outboard motor service manual - Technical Specifications

  • File Size: 11.42 MB
  • File Type: ZIP
  • Language: English
  • Printable: Yes
  • Estimated Download Time: 0.23 Minutes
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Mercury Models and Parts Covered in this Outboard Manual

Mercury Mariner Models

  • 25 Marathon
  • 25 Sea Pro
  • 20jet
  • 20 hp
  • 25 hp

Serial Numbers:

  • 0G590000 and above (Marathon)
  • 0G760300 and above (Sea Pro)
  • 0G760300 and above (20jet)
  • 0G590000 and above (20 hp)
  • 0G590000 and above (25 hp)
  • Serial Numbers: US 0G044027 and above
  • Belgium 09807909 and above

Mercury Mercury Mariner 25 Marathon, 25 Sea Pro, 20jet, 20 hp, 25 hp outboard motor service manual - Complete Manual Information

Table of Contents

1. Introduction

  • About This Manual
  • Specifications
  • Safety Guidelines

2. Electrical System

  • Ignition System
  • Charging and Starting System
  • Wiring Diagrams

3. Fuel System

  • Carburetor
  • Fuel Pump
  • Fuel Lines and Filters

4. Powerhead

  • Engine Reconditioning
  • Cylinder Head
  • Pistons and Rings

5. Mid-Section

  • Mounts and Brackets
  • Steering Linkage

6. Lower Unit

  • Gearbox
  • Propeller Shaft
  • Drive Shaft

7. Attachments/Control Linkage

  • Throttle Linkage
  • Shift Linkage

8. Manual Starter

  • Mechanism Overview
  • Reassembly and Testing

9. Appendices

  • Glossary
  • Index

The Mercury Mariner 25 Marathon, 25 Sea Pro, 20jet, 20 hp, 25 hp outboard engine service manual is a valuable resource for mechanics, technicians, and owners. It provides detailed information on maintenance, troubleshooting, and repair procedures, helping to ensure the efficient and reliable operation of these outboard engines.

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John D.says...
This manual is incredibly detailed and has been a lifesaver for keeping my motor in top shape. I appreciated the quick email response with the download link—smooth and professional service!