Suzuki DF4A User Manual

99011-97L20-03B
DF4A/DF6A
Part No. 99011-97L20-03B
November, 2018 Eng. Fre.
TK
Printed in Thailand
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
Keep with boat at all times.
This owner’s manual contains important
information on safety, operation and
maintenance.
Conserver ce manuel en permanence
dans le bateau. Ce manuel du proprietaire
contient d’importantes informations sur la
securite, le fonctionnement et l’entretien.
300 TAKATSUKA, MINAMI, HAMAMATSU, JAPAN
DF4A/DF6A
*99011-97L20-03B*

Suzuki DF4A Specifications

General

Number of Cylinders	1
Steering	Tiller
Starting System	Manual
Fuel Delivery System	Carburetor
Gear Ratio	2.08:1
Engine Type	4-Stroke
Max Output	4 hp
Full Throttle Operating Range	4, 500 - 5, 500 rpm
Ignition System	CDI
Shaft Length	Short (381 mm)

Summary

Important Notices and Safety Information

California Proposition 65 Warning

Legal warning about chemicals in engine exhaust known to cause cancer or reproductive harm.

Signal Word Meanings

Explains the meaning of WARNING, CAUTION, NOTICE, and NOTE symbols used in the manual.

Important Owner Notices

Key safety and operational advice for owners before first use of the outboard motor.

Break-In Information

Guidance on the crucial first 10 hours of engine operation for optimal performance.

Foreword and Basic Information

Foreword

Introduces the manual's purpose and the importance of proper maintenance and care.

Environmental and Safety Recommendations

Promotes environmental responsibility and recommends boating safety classes.

Fuel and Oil Management

Gasoline and Fuel Blends

Recommendations for gasoline type, octane, and ethanol blends for engine use.

Filling the Fuel Tank

Step-by-step instructions for filling built-in and portable fuel tanks safely.

Engine and Gear Oil

Guidelines for selecting and servicing engine and gear oil based on specifications.

Safety Labels and Component Identification

Safety Labels

Location, meaning, and understanding of safety labels on the motor and fuel tank.

Location of Parts

Diagrams identifying all external and accessible motor components for easy reference.

Motor Installation and Propeller

Motor Installation

Instructions for mounting the outboard motor, including transom height and emission compliance.

Propeller Selection and Installation

Guidance on choosing and safely installing the correct propeller for optimal engine performance.

Adjustments and Special Operations

Trim Angle Adjustment

How to adjust motor trim for optimal steering stability and boat performance.

Steering and Throttle Tension

Adjusting steering resistance and throttle grip tension for user preference.

Idle Speed Adjustment

Procedure for setting the engine's idle speed when the motor is in neutral.

High Altitude and Over-Revolution

Operating at high altitudes and understanding the over-revolution limiting system.

Tilting Systems and Boating Preparation

Tilting Systems Operation

Procedures for tilt lock, tilt up lock arm, and full tilt up position.

Shallow Water Position

How to set the motor for shallow water operation at low speeds.

Inspection Before Boating

Essential checks for boat and motor condition before starting a trip.

Alternative Power Source Safety

Safety guidelines for when the boat uses an alternative power source.

Operation and Starting Procedures

Before Starting the Engine

Preliminary steps and checks required before attempting to start the motor.

Starting the Engine

Detailed procedure for starting the outboard motor, including choke and starter use.

Cooling Water Check

Verifying proper water flow from the pilot water hole after starting the engine.

Emergency Starting and Troubleshooting

Emergency Starting Procedure

Steps to start the engine if the primary starter system fails.

Troubleshooting Common Issues

Guide for diagnosing and resolving common engine start, power, and idle problems.

Shifting, Stopping, and Mooring

Shifting and Speed Control

Procedures for shifting gears and controlling engine speed using the throttle grip.

Stopping the Engine

Standard and emergency procedures for shutting down the engine safely.

Mooring Procedures

Guidelines for securing the boat and motor when moored or for short-term stops.

Operation in Various Conditions

Shallow Water Operation

How to operate the motor safely in shallow water conditions.

Salt Water Operation

Procedures to prevent corrosion after operating in saltwater.

Freezing Weather Operation

Precautions for operating and storing the motor in freezing temperatures.

Motor Removal and Transporting

Motor Removal Steps

Step-by-step guide for safely detaching the motor from the boat's transom.

Motor Transporting Guidelines

Instructions for safe vertical and horizontal transport of the outboard motor.

Trailering

Trailering Safety

Guidelines for safely trailering the boat with the motor attached to the transom.

Inspection and Maintenance Schedule

Maintenance Schedule

Recommended intervals for inspecting and servicing various motor components.

Tool Kit Contents

Lists the items included in the onboard tool kit for basic maintenance and repairs.

Component Servicing - Spark Plug, Breather, Fuel Line

Spark Plug Service

Guidelines for spark plug selection, gap adjustment, and replacement.

Breather and Fuel Line Inspection

Checking breather and fuel lines for damage and determining replacement needs.

Engine Oil and Gear Oil Service

Engine Oil Service

Procedures for changing engine oil, including capacity and recommended types.

Gear Oil Service

Steps for checking and replacing gear oil for optimal motor longevity.

Lubrication and Corrosion Prevention

Lubrication Points

Identifies lubrication points and recommended lubricants for various motor parts.

Anode Maintenance

Importance of inspecting and maintaining anodes to prevent electrolytic corrosion.

Filters and Flushing Procedures

Fuel and Engine Oil Filter Service

Guidelines for inspecting and replacing fuel and engine oil filters.

Flushing Water Passages

Procedures for flushing cooling passages with the engine running or stopped.

Submerged Motor and Storage

Submerged Motor Recovery

Immediate steps to take if the motor is accidentally submerged in water.

Motor Storage Preparation

Steps to prepare the motor for long-term storage at the end of the boating season.

Post-Storage and General Information

After Storage Procedures

Steps to return the motor to operating condition after it has been stored.

Warranties and Identification

Information on warranties and locating motor identification numbers.

Emission Control and Troubleshooting

Emission Control Information

Details on engine certification for unleaded gasoline and emission control system.

Troubleshooting Common Issues

Guide for diagnosing and resolving common engine start, power, and idle problems.

Specifications

Technical Specifications

Detailed technical data for the DF4A and DF6A outboard motors.