Technology

Leading the industry with award-winning technology and designs, Suzuki outboards provide features and benefits that make boating more enjoyable.

DURABILITY & RELIABILITY PERFORMANCE EASE & COMFORT ECOLOGY & ECONOMY

FEATURES AND BENEFITS
Hard to break

Notify user before engine trouble

Easy to service, repair

Dual louver DF350AMD/300BMD,DF350A/325A/300B

The DF350A/DF325A/DF300B is equipped with a dog-leg shaped dual louver at the air intake to completely remove water from the air taken into the cowl.

Advantage

Prevents water from entering the outboard.
Allows a direct intake system, contributing to higher engine output.

Water detecting systemDF70A AND UP

It helps to protect the engine from water in the fuel using a water detecting fuel filter to alert the driver with both visual and audio warnings when water is present in the fuel.

Advantage

Prevents water in fuel, which can be the cause of issues like poor combustion, lower power output and corrosion.

self-adjusting timing chainDF40A AND UP

The timing chain runs in an oil-bath so it never needs lubricating, and is equipped with an automatic hydraulic tensioner so it remains properly adjusted at all times.

Advantage

More durability compared to belt types of same class.
Maintenance-free.

dual water inletDF350AMD/300BMD,DF350A/325A/300B, DF300AP/250AP, DF250W

The engine’s cooling system relies on water supplied through two water inlets located on the lower unit where usually there is only one.

Advantage

Increases the water flow, providing better cooling performance.

tilt limit systemDF50AV AND UP (not including DF90AWQH, DF60AQH, DF50A/40A)

Tilt Limit System prevents the outboard from tilting beyond a selected angle.

Advantage

Prevents damage to the boat or outboard due to excessive outboard tilting.

suzuki anti-corrosion finishALL MODELS

Special protection is applied to the aluminum surface using high strength bonding to protect the aluminum made exterior parts.

Advantage

Protection against corrosion helps increase the overall outboard durability.

Keyless start system

This system allows you to start the engine by having the key-fob nearby.
• One push Start & Stop is available
• Available to control up to 6 outboards
• Waterproof Float Key Fob
• Security support with immobilizer

Advantage

No ignition key necessary.
rovides high security.

Sub water inlet

The engine’s cooling system relies on water supplied through two water inlets located on the lower unit where usually there is only one.

Advantage

Increases the water flow, providing better cooling performance.

SDSM+DF9.9 AND UP *

This app enables you to make a plan for boating with the weather forecast and check the engine condition & operation tips for the next boating. All functions are available for free.*

SMD/SMG4 and a smartphone running Android/iOS are required.

Advantage

Possible to make a plan for boat trip with checking the weather forecast in advance.
Check up on the engines before the departure based on the engine data.
Acquire the engine data by scanning the QR code.
Provide the engine data to dealer and ask for maintenance easily.

FEATURES AND BENEFITS
Smooth and quick acceleration at all operating range

Powerful torque

Offset DriveshaftDF70A AND UP

The engine powerhead is positioned closer to the front, moving the outboard’s center of gravity forward.

Advantage

Less vibration
More compact
Stable steering performance

2-STAGE GEAR REDUCTIONDF70A AND UP

This system which incorporates the Offset Driveshaft features a first stage reduction between the crankshaft and drive shaft, and a second stage reduction inside the gear case. This design makes a larger gear ratio possible, allowing it to turn a large diameter propeller.

Advantage

Increased power to turn large diameter propellers, offering quick acceleration.
High propulsive efficiency with large diameter propeller.
Powerful navigation, maintaining propeller rotation even with a larger load.

GEAR RATIO IN EACH CLASS

MODEL	DF140BG/115BG/ DF140A/115A/100A DF100B/90A/80A/70A DF90AWQH	DF200A(AP)/ 175A(AP)/150A(AP) DF150W	DF250/ 225/200	DF300AP/ 250AP DF250W	DF350A/ 325A/300B
GEAR RATIO	2.59:1	2.50:1	2.29:1	2.08:1	2.29:1

high energy rotationdf60av/50av

These outboard motors are equipped with gears designed with a 2.42 gear ratio, which is larger than the standard model, in their lower units. When combined with a large 36cm (14-inch) propeller, the powerful system can deliver an explosive forward thrust. This is ideal for heavy boats.

Advantage

Powerful navigation and precise maneuvering even with big loads.
Increased power to turn large diameter propellers, offering quick acceleration.
Better hole shot.
Superior low speed handling.

suzuki dual prop systemdf350amd/300bmd,df350a/325a/300b

The Suzuki Dual Prop System spins two propellers rotating in opposite directions on a single engine.

Advantage

Achieve superior stability when driving straight by eliminating the lateral forces associated with a single propeller.
Engine power is transferred to the water more efficiently.
Powerful reverse thrust and braking force.
Less water resistance due to the small size of the gear case.
Good water gripping performance and quick startup acceleration.

multi-stage inductiondf250/225, df200ap/175ap/150ap, df200a/175a/150a, df250w, df150w

Manifold pipes are switched between short and long during low speed and high speed operation to ensure the right volume of air enters the engine.

Advantage

Increases output during high speed operation with greater volume of air input.
Increases combustion efficiency and maximizes torque by increasing the density of the air intake during low speed operation.

vvt (variable valve timing)df350amd/300bmd,df350a/325a/300b, df300ap/250ap, df250, df250w, df200ap/175ap/150ap, df200a/175a

The Variable Valve Timing is used to control the opening and closing timing of the intake valve depending on the engine operation.

Advantage

Offers smooth, powerful torque.
Provides increased acceleration during operation for all speed ranges.

direct air intakedf350amd/300bmd,df350a/325a/300b

Designing a direct airflow path from the intake port to the cylinder suppresses any increase in the intake temperature and improves combustion efficiency.

Advantage

Delivers higher power output from a small displacement with improved combustion efficiency.

FEATURES AND BENEFITS
Less vibration

Comfortable engine sound

Light & Compact

Easy to use

Smooth and Decisive shifting

integrated steering systemdf350amd/300bmd

The conventional external hydraulic cylinder is built into the outboard motor.

Advantage

Simple appearance of the motorwell when rigging
Prevent from hitting the motorwell when tilting up
Allows to rig to various types of boats
Easy rigging

Comparison When Tilting Up

Conventional DF350A/325A/300B (with external steering components)

Picture of NEW DF350AMD/300BMD NEWDF350AMD/300BMD (Integrated Steering System)

s.p.c.- suzuki precision control(electronic throttle and shift systems) optional:df350amd/300bmd,df350a/325a/300b, df300ap/250ap, df200ap/175ap/150ap, df140bg/115bg

Operation from the remote control is delivered to the outboard via an electric signal and not by the traditional mechanical control cables.

Advantage

Less friction and resistance compared to the mechanical type that uses actual control cables.
Combined with the Lean Burn Control System, it offers improved fuel economy for a wide range of speed.
Available to control up to 6 outboards.
1 lever operation for multiple outboards is available. (for dual top mount only)
"SELECT" and "THROTTLE ONLY" switch are integrated into the controller.
Automatic Trim system is available by using with SMG4/SMD.

suzuki selective rotationdf300ap/250ap, df200ap/175ap/150ap

Function for selecting regular or counter rotation on one outboard with an optional connector and a counter rotation propeller.

Advantage

Either regular or counter rotation can be used on the same outboard.

noise reductiondf350amd/300bmd,df350a/325a/300b, df200ap/175ap/150ap, df200a/175a/150a, df140bg/115bg

Intake noise is suppressed with silencer and resonator, which makes the noise from the outboard quieter.

Advantage

Less noise, making boating more pleasant.

three-way storagedf6a/5a/4a

The design allows the outboard to be removed from the boat and placed on any of its 3 sides for storage.

Advantage

No need to worry about the loading space or method.

overhead tankdf6a/5a/4a

The integral overhead fuel tank and one-way valve delivers fuel supply by using gravity.

Advantage

Contributes to easy start.

suzuki troll mode system*(optional for remote control models) df40a and up (not including df250/225/200, df250w, df150w, df90awqh)

This system helps the boat running at a certain speed range in low revs.

Advantage

Boat can keep running at a certain speed range in low revs without having to operate the throttle on the boat.
Gives you highly precise control at low revs.

gas assist systemdf90awqh, df60aqh/40aqh, df30aqh

Enables the outboard motor to be tilted up or down quickly with minimal force.

automatic trim*df350amd/300bmd,df350a/325a/300b, df300ap/250ap, df200ap/175ap/150ap, df140bg/115bg

Enables the outboard motor to be tilted up or down quickly with minimal force.

Advantage

This technology helps to keep appropriate position and contribute to achieve faster top speed and higher fuel efficiency.

* Available with SMD/SMG4

Enjoy this function with SMG4. You can find how to use it from the video.

FEATURES AND BENEFITS
Good fuel efficiency / low exhaust

Low maintenance cost

Environment protection activities

lean burn control systemdf9.9b and up (not including df250/225/200, df150w)

The Lean Burn Control System supplies the appropriate amount of fuel and air mixture depending on the navigation conditions.

Advantage

Significant improvement in fuel economy in all speed ranges especially at cruising speed.
Fuel is saved and gasoline costs are cut thanks to improved fuel economy.

Data used in the graphs were obtained through "In-House Suzuki Testing" under uniformed conditions. Results will vary depending upon operating conditions (boat design, size, weight, weather, etc.)

battery-less electronic fuel injectiondf30a/25a, df20a/15a/9.9b

This technology delivers quicker start, smoother operation, and more acceleration without a battery.

Advantage

Quick and easy start.
Cleaner and economic fuel consumption.
Higher and smoother performance in almost all operating ranges.
Operates without battery.

dual injectordf350amd/300bmd,df350a/325a/300b

The dual injector delivers just the right amount of fuel at the right time into each cylinder.

Advantage

Contributes to higher output and better fuel efficiency.

micro-plastic collecting devicedf140bg/115bg, df140b/115b/100c

As one of the actions in SUZUKI CLEAN OCEAN PROJECT, we developed the device to collect micro-plastics in the oceans just by running SUZUKI's outboard motors.

Advantage

Collect micro-plastics through your outboard motors.
Not sacrifice the engine performance.