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Suzuki
2023 Suzuki 350HP
$8,000.00$9,300.00Save $1,300.00
The 2023 Suzuki 350 HP outboard is a high-performance 4-stroke marine engine designed for larger boats and offshore use. It features a modern V6 powerhead with dual-prop technology, electronic fuel injection, and smooth power delivery with efficient fuel economy — ideal for cruising, sport fishing,
Horsepower
350 HP
Fuel Type
gasoline
Year
2023
Hours
19
Displacement
4,390cc
Stroke
4-stroke
Rated Output
257 kW / 350 mhp
Rated Speed
6300rpm
In Stock (2 available)
Free shipping on orders over $500
90-day warranty included
Description
The 2023 Suzuki 350 HP outboard is a flagship high-performance 4-stroke marine engine engineered for serious boating enthusiasts and professionals. Powered by a 4.4 L V6 with Suzuki’s advanced DOHC 24-valve design and electronic fuel injection, it delivers smooth, reliable 350 horsepower with excellent throttle response. Suzuki’s innovative engineering—such as dual contra-rotating propeller technology, Precision Control drive-by-wire system, and high 12.0:1 compression ratio—maximizes propulsion efficiency, stability, and fuel economy while reducing vibration and noise. This outboard is ideal for larger boats, offshore cruising, and demanding marine conditions, offering robust durability and refined performance backed by Suzuki’s reputation for reliability.
Specifications
SKUS115367
BrandSuzuki
CategoryOutboard Engines
ConditionUsed
Horsepower350 HP
Fuel Typegasoline
Year2023
Displacement4,390cc
No. of Cylinders6 cylinders
Stroke4-stroke
Shaft Length25
Weight730.00 lbs
Hours19
Rated Output257 kW / 350 mhp
Rated Speed6300rpm
Cylinder Bore x Stroke97 mm x 98 mm
Combustion SystemElectronic Fuel Injection (EFI) Suzuki Lean Burn Control System
AspirationNatural
Alternator54
Dry Weight339 kg / 748 lbs
ControlsSuzuki Precision Control (fly-by-wire)
Frequently Asked Questions
What type of outboard is the 2023 Suzuki 350 HP?
The 2023 Suzuki 350 HP outboard, commonly the DF350A, is a 4-stroke V6, 24-valve outboard engine with advanced fuel and combustion technology, designed for high-performance boating applications.
How much horsepower does it produce?
This model produces 350 horsepower (approximately 257.4 kW), making it Suzuki’s most powerful production outboard as of 2023.
What type of fuel delivery system does the DF350A use?
It uses multi-point sequential electronic fuel injection with dual injectors per cylinder, improving fuel atomization, combustion efficiency, and power delivery.
What fuel should be used in the Suzuki 350 HP?
Suzuki generally recommends high-octane unleaded gasoline (about 90+ octane) to match the engine’s high compression design (12.0:1).
What is the engine displacement and configuration?
The DF350A has a 4.39 L V6 (55°) engine with DOHC 24-valve design, providing strong midrange torque and power.
What RPM range is optimal at full throttle?
The recommended wide-open throttle (WOT) operating range is 5,700 – 6,300 RPM, where the engine delivers peak efficiency and performance.
What shaft lengths are available?
Common shaft lengths for this model include 25" (X) and 30" (XX), allowing fitment on a variety of boat transom heights.
Does the engine support modern digital controls?
Yes. The DF350A uses drive-by-wire throttle & shift (F-N-R) and is compatible with Suzuki Precision Control and integrated digital display systems.
What propeller options come with this engine?
Standard configuration typically uses three-blade propellers, with specific sizes determined by dealer recommendations based on boat type and load.
Is this model suitable for saltwater use?
Yes — like other Suzuki outboards, it’s engineered with corrosion resistance suitable for both freshwater and saltwater, though rinsing with fresh water after saltwater use is recommended for longevity.
What boats are best suited for a 350 HP Suzuki outboard?
This engine is ideal for large center consoles, offshore fishing boats, deck boats, cruisers, and other boats requiring high power and reliable performance.
How fuel-efficient is the DF350A?
The combination of electronic fuel injection, dual injectors, and lean burn control promotes good fuel efficiency for its horsepower class, though actual fuel usage depends on boat size, load, and driving conditions.
