More power. Less baggage.

To develop the top of the Suzuki line up, we embarked on a major expedition to build the ultimate outboard motor, while still maintaining peak maneuverability. Larger engines typically burn more fuel, and increase the weight of your boat, but we spent countless hours in design and simulation, to deliver torque without the baggage. See just how far 350 horsepower will take you, with the cuttingly designed DF350A. This model now comes in Cool White and Pearl Nebular Black.

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Stay in control.

Our technologically advanced Precision Control System is a computer-based drive-by-wire control system that eliminates the friction and resistance of mechanical control cables. Operation is smooth and precise with crisp, immediate shifting that is most evident in the low rpm range, when maneuvering around the marina and in close quarters.

Knock, knock.

The knock sensor monitors combustion to provide you with optimized performance. In addition to maximizing power output, the system also helps increase engine durability.

Dual props. Single goal.

The increased power of this engine requires more powerful gears, and more powerful gears take up more space. How do you design a solution that doesn’t compromise performance? Enter our contra-rotating dual propeller system. The contra-rotating propeller provides more “grip” underwater, and because contra-rotating propellers distribute the engine torque evenly over two propellers, the torque per propeller decreases and we can reduce the gear size and design a smaller, more hydrodynamic gear case.

Less is more.

By positioning the crankshaft in front of the drive shaft, we’ve moved the outboard’s center of gravity forward, making the outboard more compact and increasing its performance. This design also significantly reduces vibration by moving the engine’s axis of inertia—the point where engine vibrations are at a minimum—up over the upper engine mount.


Body Color
Pearl Nebular Black or Cool White
Recommended Transom Height (inches)
X: 25 XX: 30 With Suzuki Contra Rotating Propellors
Starting System
Electric - Suzuki Start System
Weight LBS
X 727, XX 747
Engine Type
DOHC 24-Valve
Fuel Delivery System
Multi Point Sequential Electronic Fuel Dual Injection with Lean Burn and Oxygen Sensor
No. Of Cylinders
V6 (55°)
Piston Displacement inches (cc)
267.9 (4390)
Bore X Stroke Inches (mm)
3.74 x 3.82 (98 x 97)
Maximum Output HP
Operating Range (RPM)
5700 - 6300
Troll Mode
Optional Troll Mode - See Dealer
Oil Pan Capacity quarts (liter)
8.5 (8.0)
Ignition System
Solid State Direct Ignition
12V 54A
Trim Position
Power Trim and Tilt
Gear Ratio
Standard Propellers
Conta Rotating Propellors - See Dealer for options
Propeller Selection
Additional Information:

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