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Suzuki DF140A User Manual

Suzuki DF140A
91 pages
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ENGLISH
DF115A
DF115AS
DF140A
OWNER’S MANUAL
EN

Table of Contents

Questions and Answers:

Suzuki DF140A Specifications

General IconGeneral
Cylinders4
Maximum Output140 hp
Ignition SystemFully-transistorized
Alternator12V 40A
SteeringRemote
Gear Ratio2.59:1
Trim MethodPower Trim and Tilt
Starting SystemElectric
Oil Pan Capacity5.5 liters
ExhaustThrough Prop Hub Exhaust
Recommended Engine OilSAE 10W-40
Shaft LengthL: 508 mm (20 in), X: 635 mm (25 in)
Engine Type4-stroke
Displacement2044 cc
Bore x Stroke86 x 88 mm
Dry Weight179 kg
Full Throttle Operating Range5600 - 6200 rpm
Recommended FuelUnleaded Gasoline (91 RON)
Fuel Delivery SystemMulti-Point Sequential Electronic Fuel Injection

Summary

Safety and Warnings

California Proposition 65 Warning

Warning about chemicals known to cause cancer and reproductive harm.

Important Notices to Owners

Key precautions and familiarization with the manual for safe operation.

Foreword

Boating Safety and Environmental Responsibility

Fuel and Oil Information

Gasoline and Fuel Types

Details on recommended gasoline, ethanol blends, and fuel pump labeling.

Filling the Fuel Tank

Engine and Gear Oil Specifications

Engine Oil

Recommendations for engine oil type, viscosity, and quality for optimal performance.

Gear Oil

Guidelines for selecting the correct gear oil and its API classification.

Location of Safety Labels

Label Symbol Meanings

Location of Parts

Side Mount Type

Identifies components specific to the side mount control.

Top Mount Type

Identifies components specific to the top mount control.

Key-Fob

Illustrates the key-fob used with the Keyless Start System.

Motor Installation

Emission-Related Installation Instructions

Requirements for fuel lines, tanks, and emission control labels per federal law.

Motor Installation Safety

Warnings and recommendations regarding proper motor installation and horsepower limits.

Battery Installation

Battery Requirement

Specifies the minimum battery rating requirements for starting the engine.

Battery Installation Procedures

Guidance on securing the battery and connecting leads correctly for safety.

Sub Battery Cable and Electrical Accessories

Explains sub battery cable function and power for electrical accessories.

Suzuki Keyless Start System

Immobilizer System

How the key-fob and control unit communicate to prevent unauthorized starting.

Key-Fob Precautions

Warnings about radio wave interference and proper handling of the key-fob.

Key-Fob Battery Replacement

Setting and/or Changing the Passcode

Passcode Confirmation

Propeller Selection and Installation

Propeller Selection

Importance of selecting the correct propeller for optimal engine speed and performance.

Propeller Installation

Detailed steps for installing a propeller, including safety precautions.

Adjustments and Settings

Trim Angle Adjustment

How to adjust the trim angle for optimal steering stability and performance.

Trim Tab Adjustment

How to adjust the trim tab to compensate for boat veering tendencies.

Throttle Tension and Idle Speed Adjustment

Adjusting throttle tension and idle speed for user preference and optimal operation.

Tilt Upper Limit Position Settings

Procedures for canceling and setting the optimal tilt upper limit position.

Motor Cover and Caution Systems

Motor Cover Fastening Adjustment

How to adjust the motor cover fastening for a secure fit.

Caution System Overview

Explanation of how caution systems alert the operator to potential issues.

Over-Revolution Caution System

System to prevent engine over-revving and its reset procedure.

Oil Pressure and Cooling Water Caution Systems

Alerts for low oil pressure and engine overheating due to cooling issues.

Battery Voltage and Keyless System Cautions

Battery Voltage Caution System

Alerts for low battery voltage that may impair motor performance.

Keyless Start System Caution Systems

Cautions related to key-fob identification, battery, and control unit performance.

Diagnostic and Reminder Systems

Diagnostic System

How the self-diagnostic system warns of abnormal sensor signals.

Oil Change Reminder System

System that informs the operator when engine oil replacement is due.

Engine Stalling and Water in Fuel Alerts

Alerts for engine stalling and the presence of water in the fuel.

Tilting Systems Operation

Power Trim and Tilt Operation

How to operate the power trim and tilt switch to adjust motor position.

Manual Tilting and Tilt Lever

Procedure to manually tilt motor and use tilt lever for support.

Tilt Lever Precautions

Warnings and notices regarding the use and potential damage to the tilt lever.

Pre-Operation Checks

Inspection Before Boating

Essential checks to perform on the boat and motor before starting a trip.

Check Engine Oil Level

Detailed steps on how to check the engine oil level using the dipstick.

Break-In Procedure

Guidelines for proper engine operation during the initial break-in period.

Before Attempting to Start the Engine

Pre-start checks including lowering motor and venting fuel tank.

Starting the Engine

Comprehensive steps for starting the engine, including priming and keyless system.

Cooling Water Check

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

Emergency Start

Procedure for starting the engine using the emergency key and passcode.

Operation and Control

Shifting and Speed Control

How to engage forward, reverse, and neutral gears correctly.

Stopping the Engine

Procedures for stopping the engine normally and in emergencies.

Mooring and Shallow Water Operation

Recommendations for mooring and operating the boat in shallow water.

Operation in Salt Water and Freezing Weather

Care instructions for operating in salt water and freezing temperatures.

Operating the Troll Mode

How to use the optional troll mode switch to control trolling speed.

Motor Maintenance and Storage

Motor Removal and Transporting

Guidelines for safely removing and transporting the outboard motor.

Trailering

How to properly trailer the boat with the motor attached, including tilt lever precautions.

Inspection and Maintenance Schedule

A detailed schedule outlining required inspections and maintenance at various intervals.

Maintenance Precautions

Warnings and advice on performing maintenance, especially for those without experience.

Spark Plug Maintenance

Information on the standard spark plug, its type, and installation guidelines.

Breather and Fuel Line

Instructions for inspecting the breather and fuel line for damage.

Engine Oil Change

Detailed steps for changing the engine oil, including oil capacity and type.

Gear Oil Maintenance

Procedures for checking and changing the gear oil, essential for motor longevity.

Low Pressure Fuel Filter

Information on replacing the low-pressure fuel filter and related safety precautions.

Lubrication Points

Chart showing lubrication points and recommended lubricants for smooth operation.

Corrosion Prevention and Anodes

Explains the role of anodes in protecting the motor from corrosion and inspection frequency.

Bonding Wires and Battery Care

Function of bonding wires and guidelines for battery care and safety.

Engine Oil Filter and Matte Paint Care

Recommendation for changing oil filter and care for matte finish paint.

Flushing the Water Passages

Procedure for flushing water passages while the engine is running or stopped.

Submerged Motor Procedures

Emergency procedures for dealing with a motor accidentally submerged in water.

Motor Storage

Steps for preparing the motor for long-term storage to prevent damage.

Battery Storage

How to properly store the battery when the motor is not in use for extended periods.

After Storage Procedures

Procedures to return the motor to operating condition after storage.

Identification Number Location

Where to find model and identification numbers for reference and ordering parts.

Technical Information and Troubleshooting

Emission Control Information

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

Troubleshooting Common Issues

A guide to identifying and resolving common motor complaints and issues.

Fuse Information and Replacement

Procedures for checking, replacing, and understanding fuses in the electrical system.

Fuse Box Information

Identifies the location and ratings of various fuses within the fuse box.

Specifications

Technical specifications for DF115A/115AS and DF140A models.

Operating Hours and Reminder Systems

How operating hours are indicated and the function of the oil change reminder.

Wiring Diagrams

Wiring Diagrams for Keyless and Non-Keyless Systems

Electrical system diagrams for models with and without keyless start systems.

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