Yamaha XF450USA4 Outboard Motor

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

The Yamaha XF450USA4 is the 30-inch shaft, Classic White version of Yamaha’s most powerful offshore outboard. Delivering 450 horsepower from a commanding 5.6-liter V8, this model is built for larger offshore vessels that require extended shaft length and unmatched durability. With a refined Classic White finish, this outboard enhances both performance and style for premium fishing boats and luxury yachts. Its Digital Electronic Control system provides smooth throttle response, precision shifting, and optimal fuel management for confidence in any offshore 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.

⚠️ Important: The above images are for reference only and the photos of the XF450 in classi white will be updated once available.

Key Features:

• 5.6-Liter V8 Offshore Power – Yamaha’s most powerful outboard, delivering an impressive 450 horsepower.
• 30-Inch Shaft – Designed for deep-V hulls and larger offshore boats requiring additional transom clearance.
• Standard Rotation Model – Suitable for single-engine vessels or use alongside counter-rotation models in multi-engine setups.
• Classic White Finish – Premium color choice designed to complement luxury offshore and sportfishing boats.
• Digital Electronic Control (DEC) – Enables seamless throttle and shifting response.
• Electronic Fuel Injection (EFI) – Ensures precise fuel delivery for reliable efficiency.
• Electric Start with Power Trim and Tilt – Provides quick starting and effortless trim adjustments while underway.
• Maximum RPM Range – 5000–6000 RPM, balancing acceleration with steady cruising power.
• Displacement – 5.6 liters (5559 cc), Yamaha’s largest and most advanced V8 platform.
• Alternator Output – 96 amps, supplying strong charging power for electronics and onboard systems.
• Corrosion Protection System – Features Yamaha’s alloys, protective coatings, and freshwater flush capability for lasting durability.
• Noise and Vibration Reduction – Enhanced systems for smoother, quieter operation offshore.
• Approximate Weight – 999 pounds, engineered for stability and durability without compromising performance.

The Yamaha XF450USA4 is the ideal solution for boaters who demand maximum shaft length, top-tier horsepower, and Yamaha’s premium Classic White finish. Built for the toughest offshore conditions, this model delivers reliable power, smooth operation, and lasting performance.

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

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Frequently Asked Questions

Q: Why would I choose a 30-inch shaft outboard?
A: A 30-inch shaft provides additional clearance on larger boats, especially deep-V hulls, helping keep the propeller properly positioned in rough water.

Q: Is this motor better for single or multi-engine boats?
A: As a standard rotation model, it is excellent for single-engine use but can also be paired with counter-rotation models in twin or multi-engine applications.

Q: How does the Classic White finish hold up in marine environments?
A: Yamaha’s Classic White is a premium marine-grade coating that resists corrosion, maintains a sleek appearance, and is built to last in saltwater conditions.