Yamaha LXF450USA4 Outboard Motor

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

The Yamaha LXF450USA4 is the 30-inch shaft, Classic White counter-rotation version of Yamaha’s most powerful offshore outboard. Designed for larger boats that require extended shaft length, this 5.6-liter V8 produces 450 horsepower and is built to withstand the toughest offshore conditions. Counter rotation improves tracking and handling in multi-engine setups, making it an essential choice for offshore fishing boats and luxury center consoles that demand stability and control. With its premium Classic White finish, this outboard blends cutting-edge power with refined styling.

⚠️ 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 strongest outboard engine, delivering 450 horsepower for maximum offshore performance.
• 30-Inch Shaft – Extended shaft length ideal for deep-V hulls and larger offshore vessels.
• Counter Rotation Model – Reduces steering effort and balances torque in multi-engine configurations.
• Classic White Finish – A timeless premium look that enhances the appearance of offshore fishing and luxury boats.
• Digital Electronic Control (DEC) – Ensures precise throttle response and seamless shifting.
• Electronic Fuel Injection (EFI) – Provides optimized fuel delivery for consistent power and efficiency.
• Electric Start with Power Trim and Tilt – Easy ignition and fingertip control of trim for optimal performance.
• Maximum RPM Range – 5000–6000 RPM for powerful acceleration and steady cruising speeds.
• Displacement – 5.6 liters (5559 cc), Yamaha’s most advanced offshore V8 platform.
• Alternator Output – 96 amps, providing exceptional charging capacity for advanced electronics and onboard systems.
• Corrosion Protection System – Advanced anti-corrosion alloys, multiple protective coatings, and freshwater flush system.
• Noise and Vibration Reduction – Built-in systems reduce operating noise and vibration for smoother offshore operation.
• Approximate Weight – 999 pounds, providing durability and balance for offshore use.

The Yamaha LXF450USA4 is engineered for serious offshore boaters running twin, triple, or quad setups. Its counter-rotation design improves control and handling in challenging conditions, while its Classic White finish adds an elegant touch to Yamaha’s most powerful outboard platform.

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

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Frequently Asked Questions

Q: Why choose a counter-rotation outboard?
A: Counter rotation balances torque in multi-engine configurations, improving straight-line tracking, reducing helm pull, and enhancing overall handling.

Q: Which boats benefit from a 30-inch shaft outboard?
A: Larger offshore boats with deep-V hulls or high transoms that require additional shaft length for proper propeller placement in rough waters.

Q: How durable is the Classic White finish?
A: Yamaha’s Classic White is engineered for marine use, with corrosion resistance and a lasting premium appearance in saltwater environments.