Yamaha 450hp XTO Offshore Outboard XF450XSA
$30,882.00
The Yamaha 450hp XTO Offshore Outboard XF450XSA is a flagship 5.6L V8 four-stroke engineered for maximum offshore power and control. Featuring direct fuel injection, integrated electric power steering, and an award-winning charging system, it delivers unmatched performance for large offshore boats.
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Overview 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.
| Specification | Details |
|---|---|
| Engine Type | Yamaha XF450XSA XTO Offshore Four Stroke |
| Horsepower | 450 hp |
| Cylinders | 8 (V8) |
| Displacement | 5.6 L |
| Fuel System | Direct Injection (up to 2900 PSI) |
| Shaft Length | 25" (X-Long) |
| Throttle / Shift | Digital Electronic Controls |
| Steering | Integrated Electric Power Steering |
| Starter | Electric |
| Weight | 963 lbs |
| Alternator Output | 102 Amp |
| Full Throttle RPM Range | 5000 – 6000 rpm |
| Degree of Trim | -4° to +16° |
| Degree of Tilt | -4° to +73° |
| Warranty | Yamaha 3-Year Warranty |
| Standard Features | Power Trim & Tilt, Owner’s Manual |
- Yamaha 450hp XTO Offshore Outboard XF450XSA
- Power Trim & Tilt
- Owner’s Manual




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