1988-1993 Mercury Mariner outboard motor 100hp, 115hp manual

Product Information

Table of Contents

General Information and Specifications 1

• General Specification
• Serial Number
• Engine Rotation
• Power Trim General Information
• Power Trim/Tilt System Fluid Level
• Trim Angle Adjustment
• Connecting Engine Wiring Harness and Routing of Engine Battery Cables
• Battery Cable Requirements
• Fuses
• Fuse Replacement
• Oil Injection System
• Checking and Filling Oil Injection System
• Propeller Selection
• Running Engine on External Fuel Supply

Filling Oil Injection System 1-2

Power Trim General Information 1-3

Tilt Trim Angle Adjustment 1-4

Power Trim and Tilt System 1-4

Checking Trim System Fluid Level 1-4

Tilt Angle Adjustment 1-5

Models Without Power Trim 1-5

Connecting Engine Wiring Harness and Routing of Engine Battery Cables 1-6

Ring Gear and Engine Wiring Harness 1-7

Heat Points Lubrication 1-7

Following Complete Submersion 1-8

Salt Water Submersion 1-8

Submerged While Running 1-8

Submerged Engine (Fresh Water) 1-9

Out-of-Season Engine Storage 1-9

Out-of-Season Extended Storage 1-9

Conditions Affecting Engine Performance 1-10

How Weather Affects Engine Performance 1-10

Detonation 1-11

Detonation: Causes and Prevention 1-11

Compression Check 1-12

Maintenance and Specifications

• Engine compartment
• Engine oil
• Battery
• Fuel information
• Air filter(s)
• Part numbers
• Refilling fluids
• Lubricant specifications

Accessories

Scheduled Maintenance Guide

• Normal Scheduled Maintenance and Log
• Special Operating Conditions and Log

Index

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