1996-2000 Mercury Mariner Outboard Service Manual

Service manual for Mercury Mariner 45 J, 50, 55, and 60 HP outboards (Marathon, Sea Pro, Bigfoot) from 1996-2000. PN 90-817643R1.

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Document Details

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Document Number / Seller:
27446 / Daniel Lopez
File Size:
13.08 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Jul 13, 2025

Models Covered & Key Technical Specifications

Mercury Mariner 45 J, 50, 55, and 60 HP Outboard Service Manual (1996-2000) Factory-Standards

This comprehensive service manual provides detailed information for Mercury Mariner 45 J, 50, 55, and 60 HP outboard models. Brand and Model: Mercury Mariner 45 J, 50, 55, and 60 HP (Marathon, Sea Pro, Bigfoot) Outboard Part Number: 90-817643R1 Production Years: 1996-2000

  • Nominal Throughput Data: 51.8 cu. in. (849cc) displacement for the 3-cylinder, 2-cycle engine.
  • Prescribed Angular Speed: Idle RPM range is 650-750 RPM in forward gear for optimal operation.
  • System Speed Rating: Maximum timing specified at 5000 RPM is 55-16° BTDC for 60 HP models.
  • Technical Package Size: Lubrication points require Quicksilver 2-4-C w/Teflon Marine Lubricant for fresh and salt water use.
  • Standard Moment Values: Spark plug gap is set at 0.040 inches (1.0mm) for optimal ignition performance.
  • Defined Fit Tolerances: Cylinder bore out-of-round maximum is 0.003 inches (0.076mm) for precise piston fit.

Professional Workshop Service Manual & Technical Specifications

Mercury Mariner 45 J, 50, 55, and 60 HP Outboard Service Manual (1996-2000) Factory-Standards

Subsystem-Focus: General Information and Specifications // Model-Designation: 1996-2000 Mercury Mariner Outboard // Subsystem-Focus: Electrical and Ignition

Specifications Overview

Specification Rating Logic
Horsepower (kW) 50 (37) / 55 (41) / 60 (45) Standard power ratings for various models.
Outboard Weight 217.0 lbs. (98.4kg) / 213.0 lbs. (96.6kg) Varies by model and starting system type.
Cylinder Displacement 51.8 cu. in. (849cc) Standard displacement for all listed models.
Stroke Length 2.520 in. (64.008mm) Consistent stroke length across the series.

The repository is divided into the following key sections:

  • Ignition System Components: Covers removal and installation of flywheel, stator, and coils.
  • Fuel System Troubleshooting: Addresses issues like fuel pump pressure and carburetor adjustments.
  • Power Trim System: Details operation, testing, and component replacement for hydraulic and electrical systems.
  • Battery and Charging System: Explains maintenance, testing, and troubleshooting for electrical components.
  • Starting System: Outlines components, descriptions, and troubleshooting for the engine starting circuit.

Methodically requiring adherence to Standard maintenance practices ensures optimal engine function. This manual documents torque specifications for various components to ensure proper pivot-point integrity. It also details systems and procedures for the entire outboard, including electrical, fuel, and power trim systems.

FAQ

Confirm the **recommended** diagnostic procedures for ignition system faults? keyboard_arrow_down

400 VDC test position (or higher) MUST BE used for all ignition system tests, ensuring accurate readings.

What tools are needed for **calibrated** fluid capacity checks? keyboard_arrow_down

A "What You Should Know About Quicksilver Propellers..." guide (Part No. 90-817644) is available for propeller information.

Identify the **applicable** spark plug gap for this ignition system? keyboard_arrow_down

0.040 inches (1.0mm) is the specified spark plug gap for optimal ignition performance.

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Reviews (3)

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The manual is well-organized and covers all necessary topics. Customer support was responsive when I had questions. Highly recommend!
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Rated 4 out of 5 stars
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This service manual has everything I needed for my outboard motor. The download process was smooth and I received the link quickly. Very satisfied!