Year: 2021 Horse Power: 300HP Number Of Stroke: 4 Hours Recorded: 60 Shaft: 30 Inches The condition is perfect. 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, Ultimate Performance
The 300HP Yamaha Legacy Outboard Engine is designed for boaters and professionals who demand unmatched power, reliability, and precision handling. Perfect for large recreational vessels, offshore fishing boats, and commercial workboats, this high-performance engine delivers exceptional acceleration, top-end speed, and smooth operation. Yamaha’s advanced engineering combines the trusted Legacy Series durability with cutting-edge four-stroke technology for reliable performance in all marine conditions.
With 300 horsepower, this engine provides the thrust and responsiveness needed to handle large boats efficiently. Its Electronic Fuel Injection (EFI) system ensures smooth starts, optimal fuel usage, and precise throttle response. Yamaha’s Legacy Outboard design emphasizes durability, low maintenance, and quiet operation, making it suitable for both recreational and professional applications.
Key Features
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High-Power 300HP Engine: Offers maximum thrust and superior vessel performance.
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Four-Stroke Technology: Efficient, reliable, and quiet for long-lasting operation.
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Electronic Fuel Injection (EFI): Smooth starts, responsive acceleration, and fuel efficiency.
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Power Trim & Tilt: Allows optimal adjustment of the engine angle for performance and fuel economy.
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Durable Construction: Corrosion-resistant materials withstand harsh marine environments.
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Lightweight for Its Class: Advanced materials reduce weight without sacrificing strength.
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Smooth and Quiet: Minimal vibration and noise for comfortable operation.
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Environmentally Compliant: EPA and CARB certified for low emissions.
Specifications
| Specification | Details |
|---|---|
| Engine Type | 4-Stroke, Legacy Series |
| Horsepower | 300 HP |
| Cylinders | V6 |
| Displacement | 4.2L |
| 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 |
| 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 |
| Control | Remote control or joystick-compatible system |
| Compliance | EPA and CARB certified |
Performance and Benefits
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Rapid Acceleration: Provides fast takeoff for large vessels.
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High-Speed Cruising: Handles heavy loads efficiently and smoothly.
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Fuel Efficient: EFI and four-stroke design optimize fuel consumption.
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Reliable and Durable: Engineered to withstand offshore, coastal, and freshwater conditions.
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Quiet and Smooth Operation: Minimal vibration and noise improve comfort on long trips.
Applications
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Large recreational boats and luxury yachts
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Offshore and sportfishing vessels
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Commercial workboats requiring high reliability
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High-performance twin-engine vessels
Installation and Compatibility
The 300HP Yamaha Legacy Outboard is engineered for large transoms and can be paired with Yamaha high-performance propellers and remote control systems. Proper installation ensures maximum thrust, balanced handling, and fuel efficiency, whether used solo or in twin-engine configurations.
Maintenance Tips
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Regular oil and filter changes maintain engine longevity.
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Flush after saltwater use to prevent corrosion.
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Inspect propellers, gearcases, and trim systems for damage or debris.
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Ensure electrical connections are secure and free from corrosion.
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Use genuine Yamaha parts for all maintenance to preserve warranty and performance.
Warranty and Support
The Yamaha 300HP Legacy Outboard Engine comes with a manufacturer-backed limited warranty, covering defects in materials and workmanship. Registration ensures access to Yamaha-authorized service centers. Outboard Engine Guide provides professional guidance for installation, maintenance, and warranty claims to ensure seamless ownership.
Why Choose the 300HP Yamaha Legacy Outboard
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Maximum Power: 300HP delivers superior acceleration, speed, and load-handling.
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Fuel Efficient: EFI and four-stroke technology optimize fuel consumption for large vessels.
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Durable and Reliable: Engineered for demanding marine conditions.
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Smooth and Quiet: Minimal vibration and noise for enhanced boating comfort.
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Expert Support: Secure purchase, fast shipping, and dedicated technical assistance.
The 300HP Yamaha Legacy Outboard Engine is the ultimate choice for boaters and professionals who demand maximum power, reliability, and performance. With Yamaha’s trusted engineering and Outboard Engine Guide’s commitment to authentic products and expert support, this engine ensures your vessel performs at its peak in any marine environment.
40 reviews for 300HP YAMAHA – Outboard Engine Guide
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Alexander Smith –
This product met my expectations. It was delivered safely and in excellent condition. The materials feel durable and well made. Setup was simple and the instructions were easy to understand. I would recommend it to anyone looking for dependable performance.
Emma Jackson –
This product met my expectations. It was delivered safely and in excellent condition. The materials feel durable and well made. Setup was simple and the instructions were easy to understand. I would recommend it to anyone looking for dependable performance.
Daniel Smith –
This product met my expectations. It was delivered safely and in excellent condition. The materials feel durable and well made. Setup was simple and the instructions were easy to understand. I would recommend it to anyone looking for dependable performance.
Liam Taylor –
This product met my expectations. It was delivered safely and in excellent condition. The materials feel durable and well made. Setup was simple and the instructions were easy to understand. I would recommend it to anyone looking for dependable performance.
Charlotte Anderson –
This product met my expectations. It was delivered safely and in excellent condition. The materials feel durable and well made. Setup was simple and the instructions were easy to understand. I would recommend it to anyone looking for dependable performance.
Mark Jones1581 –
Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. The build quality feels solid and durable, giving me confidence for long-term performance. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional.
Robert Williams1582 –
Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. The build quality feels solid and durable, giving me confidence for long-term performance. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish.
Paul Jones1583 –
Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions.
Jason Davis1584 –
Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications.
Jason Taylor1585 –
After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. The build quality feels solid and durable, giving me confidence for long-term performance.
Jason Jackson1586 –
Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional.
Charles Williams1587 –
Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. The build quality feels solid and durable, giving me confidence for long-term performance. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners.
Robert Taylor1588 –
Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications.
Daniel Smith1589 –
The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish.
Andrew Martin1590 –
Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. The build quality feels solid and durable, giving me confidence for long-term performance. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable.
Charles Martinez1591 –
I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Startup is quick and reliable, and the throttle response feels strong and consistent on the water.
Jason Clark1592 –
The build quality feels solid and durable, giving me confidence for long-term performance. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts.
Jason White1593 –
Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. The build quality feels solid and durable, giving me confidence for long-term performance. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings.
Eric Moore1594 –
Startup is quick and reliable, and the throttle response feels strong and consistent on the water. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. The build quality feels solid and durable, giving me confidence for long-term performance. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts.
Jason Taylor1595 –
Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners.
Kevin Jones1596 –
Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. The build quality feels solid and durable, giving me confidence for long-term performance.
Thomas Jones1597 –
Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. The build quality feels solid and durable, giving me confidence for long-term performance. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable.
Eric Clark1598 –
The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings.
Michael Clark1599 –
The build quality feels solid and durable, giving me confidence for long-term performance. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners.
David White1600 –
After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. The build quality feels solid and durable, giving me confidence for long-term performance. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Startup is quick and reliable, and the throttle response feels strong and consistent on the water.
Jonathan Taylor1601 –
After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. The build quality feels solid and durable, giving me confidence for long-term performance. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish.
Brian Williams1602 –
Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional.
Steven Taylor1603 –
The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications.
Charles Thomas1604 –
Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners.
Thomas Anderson1605 –
Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. The build quality feels solid and durable, giving me confidence for long-term performance. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Startup is quick and reliable, and the throttle response feels strong and consistent on the water.
Andrew Martinez1606 –
I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. The build quality feels solid and durable, giving me confidence for long-term performance. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional.
Charles Martin1607 –
Startup is quick and reliable, and the throttle response feels strong and consistent on the water. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional.
Michael Anderson1608 –
Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings.
Eric Jackson1609 –
The build quality feels solid and durable, giving me confidence for long-term performance. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable.
Brian Martin1610 –
Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. The build quality feels solid and durable, giving me confidence for long-term performance. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts.
Adam Moore1611 –
After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. The build quality feels solid and durable, giving me confidence for long-term performance. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications.
Brian White1612 –
Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. The build quality feels solid and durable, giving me confidence for long-term performance. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications.
Charles Smith1613 –
Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. The build quality feels solid and durable, giving me confidence for long-term performance. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable.
Charles Garcia1614 –
I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. Fuel efficiency has been impressive, especially during longer fishing trips and weekend outings. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. Noise levels are lower than I expected for this class of engine, which makes cruising much more comfortable. Startup is quick and reliable, and the throttle response feels strong and consistent on the water. The build quality feels solid and durable, giving me confidence for long-term performance. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications.
Michael Johnson1615 –
The build quality feels solid and durable, giving me confidence for long-term performance. Overall, I am very satisfied with this purchase and would confidently recommend it to other boat owners. Delivery was faster than anticipated, and customer communication throughout the process was clear and professional. I recently purchased the Outboard Engine and the overall experience has been excellent from start to finish. After several trips out on the water, I can say the engine performs steadily even in slightly rough conditions. Installation was straightforward, and the engine mounted smoothly onto my boat without any complications. The packaging was secure and everything arrived in perfect condition without any scratches or missing parts.