1992-2000 Mercury Outboard Motors Service Manual

Covers 105/140 Jet, 135, 150, XR6/Mag III, 175, 200, 150/175/200XRi, Pro Max/Super Magnum models. Includes diagrams and procedures for all major systems. Ref: 90-824052R3

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Document Details

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Document Number / Seller:
27172 / Patricia Peterson
File Size:
18.34 MB
File Type:
PDF
Language:
_Language:_ English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Oct 26, 2025

Models Covered & Key Technical Specifications

Mercury Mariner Outboard Service Manual (1992-2000)

Covers 105/140 Jet, 135, 150, XR6/Mag III, 175, 200, 150/175/200XRi, Pro Max/Super Magnum models. Includes diagrams and procedures for all major systems. Ref: 90-824052R3

  • Approved Specs: 135 (100.6) HP and 150 (111.8) HP for the primary engine models listed.
  • Baseline Capacity: 21 fl. oz. (621ml) of gearcase lubricant for the 1.78:1 ratio gear case.
  • Primary Components: Features ignition, fuel system, powerhead, mid-section, and lower unit components for comprehensive coverage.
  • General Data: Includes idle RPM specifications from 625-725 RPM across multiple carburetor models.
  • Certified Intervals: Maintenance schedule includes points for every 100 hours or once yearly.
  • Reference Standards: Adheres to specifications for engine timing and carburetor adjustments.

Professional Workshop Service Manual & Technical Specifications

Mercury Mariner Outboard Service Manual: Mercury Mariner 105/140Jet, 135/150/XR6/MAG III, 175/200, 150/175/200XRi, PRO MAX/SUPER MAGNUM 150/200/225 Outboard Service Manual (1992-2000) Chassis-Documentation

Ignition System: Electrical System Focus // Specifications: Ignition System Logic // Troubleshooting: Ignition System Details.

Identifier Technical-Path Calibration-Standards
Ignition Type Capacitor Discharge NGK BU8H
Spark Plug Gap Surface Gap 40000 Volts
Stator Output 40 Ampere 3500-4200 Ohms
Trigger Resistance 1100-1400 Ohms R x 100
Coil Primary Resistance .02-.04 Ohms R x 1
DVA Test 400 VDC 100-265 @ 400 RPM

Coverage is segmented into the following sections:

Section 1 - Important Information

Section 2 - Electrical

Section 3 - Fuel System

Section 4 - Powerhead

Section 5 - Mid-Section

Section 6 - Lower Unit

Section 7 - Attachments/Control Linkage

Repair information is provided for the engine's ignition and electrical systems. The document includes coverage of fuel pump and carburetor systems for optimal performance. Brake system specifications are included for various models, ensuring proper operation. Safety procedures are documented throughout to ensure user protection. Fluid capacities are listed for all relevant systems, aiding in maintenance.

This manual documents torque specifications for various components to ensure proper dynamic load distribution.

FAQ

What does the **assembly sequence** specify for the starter motor? keyboard_arrow_down

120 lb. in. (163.0 N·m) torque is required for the flywheel nut during reinstallation.

Reference the **specific** ignition coil resistance parameters. keyboard_arrow_down

800-1100 Ohms is the specified resistance for the ignition coil between the coil tower and the terminal.

What are the **designated** system architecture specifications for idle RPM? keyboard_arrow_down

625-725 RPM is the specified idle RPM range for multiple carburetor models like WMH 1-2-3.

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Reviews (2)

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This service manual is a must-have! The download was smooth and I received the link quickly via email. The detailed instructions helped me tackle maintenance without any issues. Highly recommend!
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The manual is well-organized and easy to follow. I appreciated the quick response from support when I had questions. The troubleshooting guide is especially helpful. Excellent service!