TECHNOLOGY

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

Offset Driveshaft DF70A AND UP

Explanation

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

Advantage

  • Less vibration
  • More compact
  • Stable steering performance

VVT (VARIABLE VALVE TIMING) DF150AP, DF175, DF175AP, DF200A, DF200AP, DF250, DF250AP, DF300AP, DF350A

Explanation

The Variable Valve Timing is used to control the open and close timing on the intake valve depending on the engine operation.

Advantage

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

DIRECT AIR INTAKE DF25/30A, DF350A

Explanation

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.

HIGH ENERGY ROTATION DF60AV, DF50AV

Explanation

These outboards 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 14-inch (36cm) propeller, the powerful system can deliver an explosive forward thrust.

Advantage

  • Powerful navigation and precise maneuvering even with big loads.
  • Tremendous power to turn large diameter propellers, offering quick acceleration.

MULTI-STAGE INDUCTION DF150, DF150AP, DF175, DF175AP, DF200A, DF200AP, DF225, DF250

Explanation

Manifold pipes are switched between short and long ones 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 maximises torque by increasing the density in the air intake during low speed operation.

2-STAGE GEAR REDUCTION DF70A AND UP

Explanation

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

  • High propulsive efficiency with large diameter propeller.
  • Powerful navigation, maintaining propeller rotation even with a larger load.
  • Tremendous power to turn large diameter propellers, offering quick acceleration.
MODEL DF70A/
80A/90A		 DF100A/
115A/140A		 DF150(AP)/
175(AP)/
200A(AP)		 DF200/
225/250		 DF250AP/
300AP		 DF350A
GEAR
RATIO		 2.59:1 2.59:1 2.50:1 2.29:1 2.08:1 2.29:1

LEAN BURN DF9.9B AND UP (NOT INCLUDING DF150, DF175, DF200, DF225, DF250)

Explanation

The Lean Burn Control System supplies the right 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.

BATTERY-LESS ELECTRONIC FUEL INJECTION DF9.9B, DF15A, DF20A, DF25A, DF30A

Explanation

Parts used in the larger models have been redesigned into a more compact design and mounted onto smaller size models.

Advantage

  • Quick and easy start.
  • Cleaner and economic fuel consumption.
  • Higher performance in almost all operating ranges.

DUAL INJECTOR DF350A

Explanation

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.

SELF-ADJUSTING TIMING CHAIN DF40A AND UP

Explanation

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.

TWO-WAY WATER INLET DF300AP, 250AP

Explanation

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

Advantage

  • Increases the water flow, providing better cooling performance.
  • Positioning an inlet at the front of the gear case delivers a greater water supply not only at high speeds but also during shallow drive.

SUZUKI ANTI-CORROSION FINISH ALL MODELS

Explanation

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 engine durability.

SUZUKI WATER DETECTING SYSTEM DF100A AND UP

Explanation

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

Advantage

  • Can avoid water in fuel, which can lead to issues like poor combustion, lower power output and corrosion.

SUZUKI DUAL LOUVER SYSTEM DF350A

Explanation

The new DF350A is equipped with a dogleg shaped dual louver at the air intake to completely remove water from the air taken into the cowl.

Advantage

  • Allows a direct intake system, contributing to higher engine output.

SUZUKI DUAL PROP SYSTEM DF350A

Explanation

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

Advantage

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

SUZUKI SELECTIVE ROTATION 150AP, DF175AP, DF200AP, DF250AP, DF300AP

Explanation

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

Advantage

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

TILT LIMIT SYSTEM DF50AV, DF60A AND UP

Explanation

A Tilt Limit System that prevents the outboard from tilting beyond a certain angle.

Advantage

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

SUZUKI PRECISION CONTROL DF150AP, DF175AP, DF200AP, DF250AP, DF300AP, DF350A

Explanation

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

Advantage

  • Less friction and resistance compared to mechanical type that uses actual control cables.
  • Quick and reliable operation.
  • Lean Burn integration offers improved fuel economy for a wide range of speed.

Quiet Operation DF150AP, DF175AP, DF200A, DF200AP, DF350A

Explanation

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

Advantage

  • Quiet operation.
  • Less noise, making boating more pleasant.

Suzuki Troll Mode System (OPTIONAL EQUIPMENT) DF40A AND UP (NOT INCLUDING DF150/175/225/250)

Explanation

A system that keeps the boat running at a certain speed in low revs. Equipped in all tiller handle models DF40A and up.

Advantage

  • Boat can keep running at a certain speed in low revs without having to operate the throttle on the boat.

 

Keyless Start System DF70A AND ABOVE (NOT INCLUDING DF150/175/200/225/250)

Explanation

System that allows you to start the engine by have the key-fob nearby.

Advantage

  • Helps deter theft more than a normal key system.
  • Key does not need to be inserted.

Three-Way Storage DF4/5/6A

Explanation

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

Advantage

  • Can be stored anywhere.
  • No need to worry about the loading space or method.

SUZUKI LEADS IN AWARD-WINNING INNOVATION

The Innovation Awards (recognising technological innovation) granted each year by the NMMA (National Marine Manufacturers Association) are considered among the highest honours in marine technology. Of the new marine industry products in that year, they are awarded to “a product that shows technical leadership, is practical and cost-effective, and is truly beneficial to the consumer.” Starting with the DT200 Exanté in 1987 and extending to the DF350A in 2017, Suzuki outboard motors have received this Innovation Award a total of nine times. Eight of these awards have been for four stroke outboard motors, which is the largest number of awards in the engine category of this industry.

AWARDED PRIZES
1987: DT200 Exanté / 1997: DF70 & DF60 / 1998: DF50 & DF40 / 2003: DF250 / 2006: DF300 / 2011: DF50A & DF40A / 2012: DF300AP / 2014: DF30A & DF25A / 2017: DF350A

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