Yamaha F350 4.3L V6 Offshore Oubtoard Motor – Shop All Models

Yamaha F350XSA Outboard Motor

25-Inch Shaft | 4.3-Liter V6 | Digital Electronic Control | Electronic Fuel Injection | Electric Start | Power Trim and Tilt | Gray

The Yamaha F350XSA is the most powerful V6 outboard Yamaha has ever built, engineered for offshore boaters who need maximum horsepower, torque, and reliability. Featuring a 4.3-liter V6 engine, it delivers class-leading performance while reducing weight compared to previous V8 designs. With Digital Electronic Control, operators experience precise throttle response, smooth shifting, and refined handling in every condition. Designed for larger offshore boats, this outboard balances raw power with advanced efficiency.

⚠️ Important: This is a Digital Electronic Control engine and must be installed by an authorized Yamaha dealer. Both the outboard and the Digital Electronic Control system require flashing and configuration with Yamaha diagnostic tools during installation. DIY installation is not supported.

Key Features:

•  4.3-Liter V6 Offshore Power – Yamaha’s most powerful V6, delivering exceptional horsepower and torque for heavy offshore vessels.
•  Digital Electronic Control (DEC) – Smooth, precise throttle response and effortless electronic shifting.
•  Electronic Fuel Injection (EFI) – Optimized fuel delivery for consistent performance and efficiency.
•  Electric Start with Power Trim and Tilt – Dependable starting and fingertip trim adjustments for superior handling.
•  Maximum RPM Range – 5000–6000 RPM, tuned for offshore speed and performance.
•  Displacement – 4.3 liters (4332 cc), the largest V6 in Yamaha’s lineup.
•  Alternator Output – 70 amps, powering modern marine electronics and onboard systems with ease.
•  Corrosion Protection System – Advanced alloys, protective coatings, and freshwater flush system extend engine life in saltwater.
•  Exhaust and Noise Reduction – Tuned intake and exhaust systems reduce vibration and noise for a smoother ride.
•  Mounting Shaft Length – 25 inches, providing proper fit and stability for offshore hulls.
•  Approximate Weight – 804 pounds, delivering maximum horsepower without unnecessary bulk.

The Yamaha F350XSA redefines offshore performance by combining the power of a large-displacement V6 with modern control and efficiency. Perfect for long runs offshore and powering heavy hulls, this outboard offers the confidence and dependability Yamaha is known for.

Need help choosing your engine? Check out our Yamaha engine guide.

Frequently Asked Questions

Q: What type of boats is the Yamaha F350XSA best suited for?
A: It is ideal for offshore fishing boats, large center consoles, and luxury pontoons that demand maximum thrust and reliability.

Q: Does the Yamaha F350XSA require professional installation?
A: Yes. The F350XSA is a Digital Electronic Control engine and must be installed and configured by an authorized Yamaha dealer using Yamaha diagnostic tools.

Q: How does the F350XSA differ from previous Yamaha F350 models?
A: Unlike the earlier 5.3-liter V8 version, the new F350XSA uses a lighter, more efficient 4.3-liter V6 design, offering comparable offshore performance with reduced weight and improved balance.