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Ten years after starting the four-stroke revolution with its award winning DF60 and DF70 outboards, Suzuki is re-inventing the category with the new DF70A and DF90A. As the first of Suzuki's new generation four-strokes, they are a showcase of advancements and achievements – such as digital sequential electronic fuel injection, a powerful 2.59:1 final drive ratio, and a zero-maintenance self-adjusting timing chain – that Suzuki has pioneered over the last ten years. They also feature Suzuki's proven offset drive shaft which, used in combination with a newly designed powerhead, contributes to making the DF90A the smallest and lightest four-stroke outboard in its class. This compact, lightweight design also makes any of these outboards ideal for use on a wide range of boat types.

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A REVOLUTION IN INNOVATION

Twelve years after starting the four-stroke revolution with its award-winning DF70 and DF60 outboards, Suzuki is reinventing the category again with the DF90A. The first of Suzuki’s new generation four-strokes, the DF90A is a showcase of advancements and achievements such as digital sequential electronic fuel injection, a powerful 2.59:1final drive ratio, zero-maintenance self-adjusting time chain and don’t forget the Suzuki Lean Burn Control System. New DF90A models also sport the optional Suzuki Troll Mode System.

OVERWHELMINGLY LIGHT, LIGHTEST IN CLASS

L:157kg, the lightest weight in XXkW (100ps). (SUZUKI internal research)

COMPACT

  • 100ps from a DF90A engine body

  • Offset drive shaft for compact body

THE LARGEST REDUCTION GEAR RATIO

2.59:1, the greatest reduction gear ratio in XXkW (100ps). (SUZUKI internal research)

OFFSET DRIVESHAFT

 

EXPLANATION

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

ADVANTAGE

  • Less vibration

  • More compact engine

  • Stable steering performance

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2-STAGE GEAR REDUCTION

 

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 for high propulsive efficiency while providing higher torque.

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.

FULL EQUIPMENT

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LEAN BURN

 

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 costs can be saved thanks to improved fuel economy.

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SUZUKI TROLL MODE SYSTEM (OPTIONAL EQUIPMENT)

 

EXPLANATION

A system that can move the boat at a constant speed.

ADVANTAGE

  • Boat can be moved at a constant speed without operating the throttle.

SELF-ADJUSTING TIMING CHAIN

 

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

  • Higher durability compared to belt types.

  • Maintenance-free.

TILT LIMIT SYSTEM

 

EXPLANATION

A tilt limit system prevents the outboard from tilting beyond a certain angle.

ADVANTAGE

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

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