300HP YAMAHA – Lagacy Outboard
$2,700.00
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Year: 2023 Horse Power 300 Number Of Stroke: 4 Number Of Hours: 60 Shaft: 25 Inches Recent service to include Oil/Filter, Spark Plugs. Water Pump Impeller, Gear Lube. What’s included: It includes full rigging such as harnesses, gauges, steering, controls, and oil tanks. In addition, the propellers are also included.
300HP Yamaha Legacy Outboard Engine – Maximum Power and Performance
The 300HP Yamaha Legacy Outboard Engine is the ultimate solution for boaters seeking unmatched power, reliability, and efficiency. Designed for large recreational boats, offshore fishing vessels, and commercial workboats, this engine delivers high performance while maintaining Yamaha’s hallmark durability and fuel efficiency. Built with advanced four-stroke technology, the 300HP Legacy ensures smooth acceleration, precise handling, and long-lasting performance in both freshwater and saltwater conditions.
With its impressive 300 horsepower, this engine handles heavy loads, offers rapid acceleration, and allows for stable cruising at high speeds. Yamaha has engineered the Legacy series to be compact yet powerful, providing maximum thrust without compromising fuel efficiency or environmental compliance. Whether you are racing across open waters, navigating coastal areas, or conducting commercial operations, the 300HP Legacy Outboard is built to perform under the toughest marine conditions.
Key Features
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Four-Stroke Technology: Combines power, fuel efficiency, and quiet operation.
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Electronic Fuel Injection (EFI): Smooth starts, responsive throttle, and optimal fuel management.
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Power Trim & Tilt: Easy adjustment for optimal engine angle, drag reduction, and improved handling.
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Lightweight for Its Class: Advanced materials reduce weight while maintaining structural integrity.
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Durable Construction: Corrosion-resistant materials designed to withstand harsh marine environments.
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Quiet Operation: Minimizes vibration and noise for a comfortable boating experience.
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Eco-Friendly: EPA and CARB certified for reduced emissions without compromising power.
Specifications
| Specification | Details |
|---|---|
| Engine Type | 4-Stroke, Legacy Series |
| Horsepower | 300 HP |
| Cylinders | V6 |
| Displacement | 4.2L (high-performance design) |
| Fuel System | Electronic Fuel Injection (EFI) |
| Ignition | TCI (Transistor Controlled Ignition) |
| Cooling System | High-capacity water-cooled system |
| Gear Ratio | 1.75:1 – 2.0:1 (depending on configuration) |
| Max RPM | 5,500 – 6,000 |
| Starting System | Electric start with optional manual backup |
| Trim & Tilt | Power Trim & Tilt |
| Propeller | 3-blade or 4-blade aluminum/stainless steel |
| Weight | ~250 – 270 kg (depending on shaft length) |
| Control | Remote control or joystick-compatible setup |
| Compliance | EPA and CARB certified |
Performance and Benefits
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Maximum Acceleration: Rapid throttle response ensures fast takeoff and smooth handling.
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High-Speed Cruising: Designed to power large vessels efficiently even under heavy loads.
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Fuel Efficiency: Advanced EFI and four-stroke design optimize fuel usage at all speeds.
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Reliable Operation: Built to withstand prolonged use in offshore, freshwater, and coastal conditions.
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Quiet and Smooth: Low vibration and noise levels enhance onboard comfort.
Applications
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Large recreational and luxury boats
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Offshore and sportfishing vessels
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Commercial service and workboats
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High-performance marine crafts requiring speed, stability, and reliability
Installation and Compatibility
The 300HP Yamaha Legacy Outboard Engine is engineered for efficient installation on large transoms with varying shaft lengths (20–30 inches). Compatible with Yamaha high-performance propellers, the engine delivers maximum thrust, stability, and handling. It also supports modern control systems, including remote throttles and joystick navigation for precision maneuvering.
Maintenance Tips
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Regular Oil and Filter Changes: Follow Yamaha’s recommended service intervals.
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Flush After Saltwater Use: Prevents corrosion and maintains performance.
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Inspect Propellers and Gearcase: Regular inspection prevents damage and ensures safety.
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Check Electrical Connections: Keep wiring secure and corrosion-free.
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Use Genuine Yamaha Parts: For all maintenance and replacement to ensure peak performance and warranty coverage.
Warranty and Support
The Yamaha 300HP Legacy Outboard Engine comes with a manufacturer-backed limited warranty covering defects in materials and workmanship. Engine registration ensures access to authorized Yamaha service centers and professional support. At Outboard Engine Guide, we also assist with installation, maintenance guidance, and warranty claims, providing complete peace of mind for owners.
Why Choose the 300HP Yamaha Legacy Outboard
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Unmatched Power: 300HP delivers superior acceleration, top speed, and load-handling capability.
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Fuel Efficient: Four-stroke EFI technology reduces fuel consumption without sacrificing performance.
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Durable Construction: Built to endure challenging marine environments and extended operation.
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Smooth and Quiet: Reduces vibration and noise for enhanced comfort.
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Trusted Support: Secure purchase, fast shipping, and dedicated customer service.
The 300HP Yamaha Legacy Outboard Engine is designed for boaters who demand the best in power, reliability, and efficiency. Its advanced engineering, lightweight construction, and fuel-efficient design make it ideal for large recreational, offshore fishing, and commercial vessels. Combined with Outboard Engine Guide’s commitment to authentic products, expert advice, and professional support, this engine ensures every journey on the water is smooth, safe, and exhilarating.

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