Yamaha 450hp XTO Offshore Outboard XF450XSA

The Yamaha 450hp XTO Offshore Outboard XF450XSA redefines what an outboard can be. Built from the ground up as a fully integrated offshore power system, the XTO Offshore combines a massive 5.6-liter V8, direct-injection four-stroke technology, and all-electric steering to deliver exceptional power, precision, and reliability far beyond the horizon.

Developed in collaboration with leading boat builders, the XF450XSA is purpose-built for extreme offshore conditions, providing confident handling, superior fuel efficiency, and unparalleled electrical output for today’s most advanced boats.

Features and Performance

• 5.6L V8 Four-Stroke Engine – Extreme offshore power with outstanding durability

• Direct Fuel Injection (up to 2900 PSI) – Exceptional throttle response and fuel efficiency

• Integrated Electric Power Steering – Precise, effortless control with no hydraulic components

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

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

• 12.2:1 Compression Ratio – Optimized combustion for power and efficiency

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

• Pump Stop Power Tilt Limit – Reduced noise and power draw at full tilt

• Iridium Spark Plugs & Quad Thermostats – Enhanced reliability in extreme conditions

• Helm Master® EX Compatibility – Advanced boat control and joystick maneuvering

Why You Should Buy It

The Yamaha XF450XSA is the ultimate choice for offshore boaters who demand maximum power, precision control, and cutting-edge technology. With its V8 direct-injection engine, electric steering, and industry-leading charging output, it’s ideal for large center consoles, sportfishing yachts, and multi-engine offshore rigs pushing the limits.

FAQ – Yamaha 450hp XTO Offshore XF450XSA

Q: What makes the XTO Offshore different from conventional outboards?
The XTO Offshore is a fully integrated power system with direct injection, electric steering, and massive electrical output designed specifically for offshore use.

Q: Is electric steering included as standard?
Yes. Integrated electric power steering is standard on the XF450XSA.

Q: Can this engine support large onboard electrical systems?
Absolutely. The Phase Angle Control Charging System delivers industry-leading charging power.

Q: Is the XF450XSA suitable for multi-engine installations?
Yes. It’s designed for twin, triple, quad, and quint offshore configurations.