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Suzuki DF15A User Manual

Suzuki DF15A
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3
NOTE:
Mounting radio transceiver or navigational
equipment antennae too close to the engine
cowling can cause electrical noise interference.
Suzuki recommends that antennae be mounted
at least one meter (40 inches) away from the
engine cowling.
Never remove the flywheel cover (except for
when emergency starting).
This manual should be considered a per-
manent part of the outboard motor and
should remain with the outboard motor
when resold or otherwise transferred to a
new owner or operator. Please read this
manual carefully before operating your
new Suzuki and review the manual from
time to time. It contains important infor-
mation on safety, operation, and mainte-
nance.
FOREWORD
Thank you for choosing a Suzuki outboard
motor. Please read this manual carefully and
review it from time to time. It contains important
information on safety, operation, and mainte-
nance. A thorough understanding of the infor-
mation presented in this manual will help you
experience safe, enjoyable boating.
All information in this manual is based on the
latest product information available at the time
of publication. Due to improvements or other
changes, there may be discrepancies between
this manual and your outboard motor. Suzuki
reserves the right to make changes at any time
without notice.

Questions and Answers:

Suzuki DF15A Specifications

General IconGeneral
Starting SystemManual or Electric
Ignition SystemDigital CDI
Fuel Delivery SystemElectronic Fuel Injection
Number of Cylinders2
Gear Ratio2.08:1
Shaft Length381 mm (15 in), 508 mm (20 in)
SteeringTiller or Remote
Trim MethodManual
Max Output11.0 kW
Full Throttle RPM Range5, 000 - 6, 000
Fuel Tank Capacity12 L
Oil Capacity1.0 L
Engine Type4-stroke, SOHC
Displacement327 cc

Summary

IMPORTANT SAFETY INFORMATION

Understanding Warning Labels

Explains the meaning of signal words (WARNING, CAUTION, NOTICE, NOTE) and a symbol.

Owner Safety Guidelines

Provides critical safety advice for owners regarding operation and preparedness.

FOREWORD

IDENTIFICATION NUMBER LOCATION

FUEL AND OIL RECOMMENDATIONS

Gasoline and Ethanol Blends

Guidelines for gasoline, ethanol blends, and octane ratings.

Fuel Pump Labeling

How to identify fuel blends at the pump.

FUEL HANDLING AND STORAGE

Gasoline Storage Precautions

Advises on proper fuel storage and use of fresh gasoline to prevent degradation.

Alcohol Fuel Warnings

Warns about potential paint damage from alcohol fuels and proper fuel tank use.

ENGINE AND GEAR OIL

Engine Oil Quality and Selection

Emphasizes the importance of oil quality and recommends specific oils.

Gear Oil Specifications

Specifies the recommended type of gear oil for the motor.

SAFETY LABEL LOCATIONS AND SYMBOLS

Understanding Safety Labels

Explains how to understand safety labels on the motor and fuel tank.

Label Symbol Meanings

Defines common symbols used on safety labels for clarity.

FUEL TANK SAFETY WARNINGS

Fuel Tank Storage and Handling

Precautions for storing and handling the fuel tank, including flammability.

Extreme Flammability and Danger Warnings

Warnings about extreme flammability and health hazards of fuel.

TILLER HANDLE MODEL PARTS (DF9.9B/15A/20A)

TILLER HANDLE MODEL PARTS (DF9.9BTH/15ATH/20ATH)

REMOTE CONTROL MODEL PARTS (DF9.9BR/15AR/20AR)

REMOTE CONTROL MODEL PARTS (DF9.9BT/20AT)

CONTROL BOX AND FUEL TANK COMPONENTS

Remote Control Box Components

Illustrates and labels components of the remote control box.

Fuel Tank Components

Illustrates and labels components of the fuel tank.

MOTOR MOUNTING PROCEDURES

Transom Height and Anti-Cavitation Plate Position

Importance of transom height and anti-cavitation plate position for performance.

Installation Warnings and Recommendations

Hazards of overpowering boats and recommendations for professional installation.

MOTOR MOUNTING AND BATTERY REQUIREMENTS

Motor Securing and Remote Control Installation

Risks of improper motor securing and recommendations for remote control installation.

Electric Starter Battery Requirements

Specifies the minimum battery requirements for electric starter models.

BATTERY INSTALLATION AND SAFETY

Battery Installation Guidelines

Recommendations for battery case, connections, and terminal caps.

Battery Hazards and Precautions

Warnings about battery acid, flammable gases, short circuits, and proper handling.

ELECTRICAL ACCESSORIES AND CHARGE CUTOUT

Electrical Accessory Connection Advice

Advice on connecting electrical accessories to the boat's battery.

Battery Charge Cutout System Operation

Explains the function of the battery charge cutout system when voltage is low.

PROPELLER SELECTION AND INSTALLATION

Propeller Selection Criteria

Importance of matching propeller to boat and engine for optimal performance.

Propeller Installation Procedure

Step-by-step instructions for installing a propeller, including safety.

TRIM ANGLE ADJUSTMENT

Trim Angle Adjustment for Tiller Models

Procedure for adjusting trim angle on specific tiller handle models.

STEERING TENSION AND TRIM STABILITY

Steering Tension Adjustment Methods

How to adjust steering tension for smooth operation on different models.

Trim Angle Effects on Steering Stability

Explains how trim angle affects steering stability and boat handling.

THROTTLE TENSION AND CAUTION SYSTEM

Throttle Tension Adjustment Guide

Adjusting throttle control grip and remote control handle tension.

Caution System Overview and Warnings

Explains the purpose of caution systems and warnings about relying on them.

CAUTION SYSTEM DETAILS AND OPERATION

Over-Revolution Caution System Function

Function of the over-revolution caution system and reset procedure.

Oil Pressure Caution System Operation

Operation of the oil pressure caution system and its effects on engine speed.

ENGINE PROTECTION CAUTION SYSTEMS

Overheat Caution System Operation

How the overheat caution system activates and troubleshooting steps.

DIAGNOSTIC AND OIL CHANGE REMINDER SYSTEMS

Diagnostic System Functionality

How the self-diagnostic system warns of abnormal conditions.

Oil Change Reminder System Activation

System activation and cancellation procedures for oil change reminders.

TILTING SYSTEM OPERATION (DF9.9B/9.9BR/15A/15AR/20A/20AR)

Tilt Lock Lever Functions

Explanation of the "Lock" and "Release" positions of the tilt lock lever.

Oil Change Reminder Cancellation (Remote)

Procedure to cancel the oil change reminder for remote control models.

TILTING SYSTEM MECHANISMS AND PROCEDURES

Tilt Up Lock Arm Usage

How to use the tilt up lock arm to hold the motor in a tilted position.

Lowering the Motor Mechanism

Steps for lowering the motor after it has been tilted up.

SHALLOW WATER OPERATION GUIDELINES

Setting Shallow Water Position

Procedure for setting the motor to shallow water position.

Shallow Water Operation Risks and Precautions

Warnings and precautions for operating in shallow water.

POWER TILT SYSTEM OPERATION

Operating the Power Tilt Switch

Instructions for tilting the motor up and down using the power tilt switch.

MANUAL TILTING AND LOCKING

Manual Tilting Procedure

How to tilt the motor manually if power tilt fails.

Tilt Up Lock Knob Usage

How to use the tilt up lock knob for stationary engine support.

PRE-BOATING INSPECTION PROCEDURES

Essential Pre-Trip Checks

Key inspection points before starting a trip, including fuel and oil levels.

Engine Oil Level Checking Guide

Step-by-step guide to checking the engine oil level correctly.

ENGINE BREAK-IN AND OIL FILLING

Engine Oil Filling Instructions

Instructions for filling the engine with the recommended oil.

Break-in Procedure and Warnings

Guidelines for the break-in period, including warm-up and speed limits.

ENGINE OPERATION BASICS AND FUEL VENT

Pre-Start Engine Checks

Checks to perform before attempting to start the engine.

Fuel Tank Vent Operation

Procedure to open the fuel tank vent screw.

STARTING PROCEDURE SAFETY PRECAUTIONS

Tilt Lock and Neutral Gear Checks

Importance of tilt lock position and neutral gear for starting.

Emergency Stop Switch Safety Guidelines

Safety precautions for attaching and using the emergency stop switch.

STARTING THE ENGINE (TILLER HANDLE MODEL)

Fuel Line Priming and Throttle Check

Priming the fuel line and ensuring the throttle is closed before starting.

STARTING THE ENGINE (MODELS AND WARNINGS)

Recoil and Electric Starter Model Procedures

Step-by-step starting instructions for recoil and electric starter models.

Starter System Safety Warnings

Warnings related to battery cable connections and starter system usage.

STARTING THE ENGINE (REMOTE CONTROL MODEL)

Remote Control Starting Procedure

Steps for starting the engine using the remote control.

Caution System Checks During Starting

Verifying caution system function during starting.

ENGINE STARTING AND COOLING WATER CHECK

Cooling Water Flow Verification

Importance of checking for water spray from the pilot hole after starting.

Emergency Starting Procedure

Steps for starting the engine in an emergency.

EMERGENCY STARTING PROCEDURE PREPARATION

Preparing for Emergency Start

Steps to prepare the motor for emergency starting when the recoil starter fails.

EMERGENCY STARTING PROCEDURE DETAILS

Recoil Starter Removal and Rope Preparation

Steps for removing the recoil starter and preparing the emergency rope.

SHIFTING AND SPEED CONTROL

Tiller Handle Shifting Mechanism

How to shift gears using the tiller handle control grip and shift lever.

Operation Safety Warnings

Warnings about reinstalling parts and keeping hands away from moving parts.

SPEED CONTROL AND ENGINE STOPPING

Remote Control Shifting and Speed Adjustment

How to shift and control speed using the remote control handle.

Engine Stopping Procedure

Steps for stopping the engine safely using the stop button or emergency switch.

POST-ENGINE STOPPING AND MOORING

Fuel Line Disconnection and Vent Closure

Disconnecting fuel lines and closing fuel tank vents after stopping the engine.

Mooring and Boat Security Measures

Guidelines for mooring the boat and preventing unauthorized use.

SHALLOW WATER OPERATION GUIDELINES

Setting Shallow Water Position

Procedure for setting the motor to shallow water position.

Shallow Water Operation Risks

Risks associated with shallow water operation, including tilt lock and hitting bottom.

SPECIAL OPERATING CONDITIONS

Shallow Water Operation for Power Tilt Models

Operating in shallow water for power tilt models, including tilt limits.

Salt Water and Freezing Weather Operation

Procedures for operating in salt water and freezing conditions.

MOTOR REMOVAL PROCEDURE

Draining Fuel for Motor Removal

Steps for draining gasoline from the fuel line before motor removal.

Physical Motor Removal Steps

Steps for physically detaching and removing the motor from the transom.

MOTOR TRANSPORTATION GUIDELINES

Vertical and Horizontal Transport Methods

Guidelines for transporting the motor vertically or horizontally.

Transporting Safety Precautions

Warnings about fuel hazards and preventing motor damage during transport.

TRAILERING THE BOAT WITH MOTOR

Trailering Position and Support Devices

How to position the motor for trailering and using support devices.

Trailering Tilt Lock Warnings

Warnings against using the tilt lock arm/knob while trailering.

INSPECTION AND MAINTENANCE SCHEDULE

Maintenance Intervals and Tasks

Chart detailing service intervals for various motor components.

MAINTENANCE IMPORTANCE AND TOOL KIT

Maintenance Importance and Warnings

Emphasizes the importance of maintenance and risks of improper service.

Provided Tool Kit Contents

Lists the items included in the outboard motor's tool kit.

SPARK PLUG SPECIFICATIONS AND INSTALLATION

Spark Plug Type and Installation Guide

Information on the correct spark plug type and installation torque/angle.

SPARK PLUG MAINTENANCE AND FUEL LINE INSPECTION

Spark Plug Cleaning and Adjustment

Procedures for cleaning, adjusting, and checking spark plug condition.

Breather and Fuel Line Inspection

Importance of inspecting breather and fuel lines for damage and leaks.

ENGINE OIL CHANGE PROCEDURE

Engine Oil Change Steps

Detailed steps for draining, filling, and checking engine oil.

Engine Oil Change Safety Warnings

Safety warnings and cautions related to engine oil procedures.

ENGINE AND GEAR OIL CHECKS AND CHANGES

Engine Oil Level Check and Disposal

How to check engine oil level and guidelines for used oil disposal.

Gear Oil Check and Change Procedure

Procedures for checking and changing the gear oil.

GEAR OIL SAFETY AND LUBRICATION POINTS

Gear Oil Hazards and Contamination Indicators

Warnings about gear oil hazards and indicators of water contamination.

Lubrication Points and Recommended Lubricants

Chart identifying lubrication points and recommended lubricants.

ANODE MAINTENANCE AND LUBRICATION

Anode Function and Inspection

Purpose of anodes for corrosion protection and inspection frequency.

Anode Maintenance Precautions

Warnings and tips for maintaining anodes effectively.

BONDING WIRES AND BATTERY SAFETY

Bonding Wire Inspection

Purpose and periodic checking of bonding wires for damage.

Battery Safety and Handling Precautions

Warnings regarding battery acid, short circuits, and handling precautions.

FILTER AND BELT MAINTENANCE

Engine Oil, Fuel, and Timing Belt Service Intervals

Maintenance intervals for oil filters, fuel filters, and timing belts.

Flushing Water Passages Procedure

Procedures and safety precautions for flushing the motor's water passages.

FLUSHING THE WATER PASSAGES

Flushing with Engine Running

Steps for flushing the water passages with the engine running.

Flushing with Engine Off

Steps for flushing the water passages with the engine not running.

ENGINE NOT RUNNING PROCEDURES

Flushing in Full Tilt Up Position

Flushing procedure when the motor is in the full tilt up position.

Submerged Motor Recovery and Service

Steps for recovering and servicing a motor that has been submerged in water.

MOTOR STORAGE AND RECOVERY

Motor Storage Procedure

Steps for preparing the motor for long-term storage.

Submerged Motor Overhaul Recommendation

Recommends professional overhaul for submerged motors.

POST-STORAGE PROCEDURES AND TROUBLESHOOTING

Returning Motor to Service After Storage

Procedures for preparing the motor after it has been stored.

Common Starting and Running Issues

Lists common problems like starter failure and engine not starting.

TROUBLESHOOTING ENGINE PERFORMANCE AND FUSES

Engine Performance Troubleshooting

Troubleshooting for unstable idling, low power, vibration, and overheating.

Fuse Inspection and Replacement

How to inspect, replace, and the importance of using correct fuses.

TECHNICAL SPECIFICATIONS

Engine and Performance Data

Details engine type, displacement, output, and operating ranges.

EC Directive Information

Sound pressure levels and vibration standards related to EC directives.

OIL CHANGE REMINDER SYSTEM FLOWCHART

WIRING DIAGRAM DF9.9B/15A/20A (RECOIL STARTER MODEL)

WIRING DIAGRAM DF9.9BE/15AE/20AE (ELECTRIC STARTER MODEL)

WIRING DIAGRAM DF9.9BTH/15ATH/20ATH (POWER TILT MODEL)

WIRING DIAGRAM DF9.9BR/15AR/20AR (REMOTE CONTROL MODEL)

WIRING DIAGRAM DF9.9BT/20AT (POWER TILT REMOTE MODEL)

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