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Mercury 4-STROKE

Mercury 4-STROKE
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Outboard
Installation
Operation
Maintenance
Warranty
Manual
© 2015 Mercury Marine
8/9.9 and 9.9 Command Thrust/ProKicker FourStroke
8M0108154 615 eng

Table of Contents

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Mercury 4-STROKE Specifications

General IconGeneral
Engine Type4-Stroke
Fuel TypeGasoline
Cooling SystemWater-cooled
Ignition SystemCDI (Capacitor Discharge Ignition)
StartingManual / Electric
Shaft Length15", 20", 25"
Max PowerVaries by model
Full Throttle RPM RangeVaries by model
Fuel Induction SystemEFI / Carbureted
SteeringRemote / Tiller
WeightVaries by model
Fuel Tank CapacityVaries by model, some models include external tank
Oil CapacityVaries by model

Summary

General Information

Operating Safety Precautions

Covers crucial safety measures for steering, engine kill switches, people in water, and potential hazards.

Fuel and Oil

Fuel Recommendations and Ratings

Details required gasoline types, octane ratings, and potential effects of alcohol in fuel.

Features and Controls

Operation

Starting the Engine

Step-by-step guides for starting the engine using tiller or remote controls, including cold/hot/flooded engines.

Maintenance

Routine Maintenance Schedule

Details recommended maintenance tasks based on usage intervals (each use, 100 hours, 300 hours).

Engine Component Maintenance

Covers spark plug inspection, timing belt checks, and engine oil changes.

Gearcase and Lubrication

Guides on lubricating various points, servicing the gearcase, and checking lubricant levels.

Storage

Storage Preparation

Steps to prepare the outboard for storage, including fuel system treatment and external component care.

Troubleshooting

Engine Starting Issues

Addresses common problems like the starter not cranking or the engine failing to start.

Installation

Outboard Mounting and Transom Height

Guides on mounting the outboard to the transom and required transom height specifications.

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