Yamaha XF450XSA Outboard Motor

25-Inch Shaft | 5.6-Liter V8 | Digital Electronic Control | Electronic Fuel Injection | Electric Start | Power Trim and Tilt | Gray

The Yamaha XF450XSA is Yamaha’s flagship 450-horsepower V8 outboard, delivering unmatched offshore performance for the largest and most demanding boats. With its massive 5.6-liter displacement, this outboard is engineered for ultimate torque, acceleration, and top-end power. The XF450XSA sets a new standard for offshore reliability and precision, making it the go-to choice for serious anglers, luxury center consoles, and high-performance multi-engine offshore rigs. Featuring Digital Electronic Control, it offers seamless throttle response, smooth shifting, and refined handling in every condition.

⚠️ 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:

• 5.6-Liter V8 Offshore Power – Yamaha’s largest outboard engine, built for maximum horsepower and torque.
• 25-Inch Shaft – Perfect for standard transoms on large offshore vessels.
• Gray Finish – Rugged, modern styling designed to endure harsh offshore environments.
• Digital Electronic Control (DEC) – Ensures smooth throttle response and effortless electronic shifting.
• Electronic Fuel Injection (EFI) – Delivers optimized fuel efficiency and reliable performance.
• Electric Start with Power Trim and Tilt – Reliable ignition and fingertip trim adjustments for superior handling.
• Maximum RPM Range – 5000–6000 RPM, engineered for both acceleration and high-speed cruising.
• Displacement – 5.6 liters (5559 cc), Yamaha’s most advanced and powerful V8 platform.
• Alternator Output – 96 amps, providing abundant power for advanced electronics and accessories.
• Corrosion Protection System – Yamaha alloys, coatings, and flushing system extend engine life in saltwater.
• Noise and Vibration Reduction – Advanced exhaust and mounting systems provide a smooth, quiet ride.
• Approximate Weight – 988 pounds, offering massive offshore performance in a balanced design.

The Yamaha XF450XSA is the ultimate offshore outboard, combining Yamaha’s most advanced engineering with sheer V8 power. Whether you’re powering a single luxury vessel or part of a multi-engine offshore rig, it delivers confidence, strength, and unmatched reliability.

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

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Frequently Asked Questions

Q: How does the XF450XSA compare to the F350XSA?
A: The XF450XSA offers a 5.6-liter V8 with 450 horsepower, compared to the 4.3-liter V6 platform of the F350XSA. It provides more power, torque, and charging capacity for larger offshore boats.

Q: What boats benefit most from the XF450XSA?
A: Large offshore fishing boats, multi-engine luxury center consoles, and performance vessels that demand maximum power.

Q: Does the Yamaha XF450XSA require professional installation?
A: Yes. This Digital Electronic Control engine must be installed and configured by an authorized Yamaha dealer with Yamaha diagnostic tools.