Yamaha LXF450XSA Outboard Motor

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

The Yamaha LXF450XSA is the counter-rotation version of Yamaha’s most powerful 450-horsepower offshore outboard. Built on the advanced 5.6-liter V8 platform, this model is designed for multi-engine configurations where balanced thrust and reduced steering torque are critical. Delivering unmatched horsepower, torque, and reliability, the LXF450XSA is purpose-built for the largest offshore fishing boats, high-performance center consoles, and luxury vessels. With Digital Electronic Control, it provides smooth throttle response, precise shifting, and refined handling even in demanding offshore conditions.

⚠️ 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 and most powerful outboard engine, producing 450 horsepower.
• 25-Inch Shaft – Perfect for offshore boats with standard transoms.
• Counter Rotation Model – Designed for twin- and triple-engine setups, balancing thrust and reducing steering torque.
• Gray Finish – Rugged styling built to handle the harshest offshore environments.
• Digital Electronic Control (DEC) – Ensures smooth throttle response and seamless electronic shifting.
• Electronic Fuel Injection (EFI) – Optimized fuel delivery for efficiency and reliability.
• Electric Start with Power Trim and Tilt – Dependable ignition and fingertip trim adjustments for easy handling.
• Maximum RPM Range – 5000–6000 RPM, tuned for both acceleration and cruising efficiency.
• Displacement – 5.6 liters (5559 cc), Yamaha’s most advanced V8 offshore platform.
• Alternator Output – 96 amps, supplying ample charging power for electronics and onboard systems.
• Corrosion Protection System – Yamaha’s protective alloys, coatings, and flushing system extend life in saltwater use.
• Noise and Vibration Reduction – Advanced exhaust and intake tuning deliver a smoother, quieter ride.
• Approximate Weight – 988 pounds, delivering maximum offshore performance with counter-rotation stability.

The Yamaha LXF450XSA is the ultimate solution for multi-engine offshore vessels. With its counter-rotation design, 25-inch shaft, and massive V8 power, it provides unmatched confidence, stability, and performance on the open water.

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

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Frequently Asked Questions

Q: What does the “LXF” mean in LXF450XSA?
A: “LXF” designates a left-hand counter-rotation 450-horsepower model, designed to be paired with standard rotation outboards in multi-engine configurations.

Q: How does the LXF450XSA differ from the XF450XSA?
A: Both share the same 5.6-liter V8 engine and 25-inch shaft length. The LXF450XSA is counter-rotation, while the XF450XSA is standard rotation.

Q: What types of boats benefit most from the LXF450XSA?
A: Offshore fishing boats, luxury center consoles, and multi-engine offshore rigs where counter-rotation provides balanced thrust and reduced steering torque.