Yamaha 450hp XTO Offshore Outboard XF450USA

The Yamaha 450hp XTO Offshore Outboard XF450USA is designed as a complete offshore power system rather than a conventional outboard. Built through years of collaboration with elite boat manufacturers, this engine combines a massive 5.6-liter V8, direct-injection four-stroke technology, and all-electric steering to deliver exceptional power, control, and efficiency.

With its extended 30-inch XX-long shaft, the XF450USA is ideal for large offshore center consoles, sportfishing boats, and multi-engine installations that demand confidence in open water.

Features and Performance

• 5.6L V8 Four-Stroke Engine – Extreme offshore horsepower with proven durability

• Direct Fuel Injection (up to 2900 PSI) – Precise fuel delivery for instant throttle response

• Integrated Electric Power Steering – Smooth, responsive handling with reduced maintenance

• Phase Angle Control Charging System – Up to 96 amps net charging at idle from a single engine

• Thrust-Enhancing Reverse Exhaust – Improved low-speed maneuverability and docking control

• 12.2:1 Compression Ratio – Optimized balance of power and fuel efficiency

• Wide-Span & Long-Span Mounting Systems – Reduced vibration and compact installation

• Pump Stop Power Tilt Limit – Quiet, efficient operation at full trim

• Iridium Spark Plugs & Quad Thermostats – Enhanced reliability under extreme offshore loads

• Helm Master® EX Compatibility – Advanced joystick control and precision handling

Why You Should Buy It

The Yamaha XF450USA is built for offshore boaters who require maximum power, extended shaft capability, and advanced technology. Its V8 direct-injection engine, electric steering, and exceptional electrical output make it the ideal choice for large offshore vessels running sophisticated electronics and multi-engine configurations.

FAQ – Yamaha 450hp XTO Offshore XF450USA

Q: What is the advantage of the 30-inch shaft on the XF450USA?
The 30-inch XX-long shaft is ideal for larger offshore boats, providing optimal engine height and performance in rough water.

Q: Does this engine include electric steering as standard?
Yes, integrated electric power steering is standard equipment.

Q: Is this engine suitable for multi-engine offshore setups?
Absolutely. It’s designed for twin, triple, quad, and quint installations.

Q: How strong is the charging system?
The Phase Angle Control Charging System delivers industry-leading electrical output, even at idle.