Yamaha 300hp DEC Outboard F300ECB

Overview Yamaha 300hp DEC Outboard F300ECB

The Yamaha 300hp DEC Outboard F300ECB is built on Yamaha’s trusted 4.2-liter V6 offshore platform and designed specifically for boats requiring a 35-inch (XXX-Long) shaft. Known for its outstanding reliability and smooth power delivery, this model is ideal for offshore fishing boats, deep-V hulls, and vessels operating in rough saltwater environments.

With a refreshed cowling design, enhanced reverse thrust, and Digital Electronic Controls, the F300ECB offers confident handling, excellent maneuverability, and long-term durability.

Features and Performance

- 4.2L V6 Four-Stroke Engine – Strong offshore torque with smooth, efficient performance
- Digital Electronic Controls (DEC) – Precise throttle and shift response
- Electronic Fuel Injection (EFI) – Reliable starts and optimized fuel delivery
- 35″ XXX-Long Shaft – Ideal for offshore boats with extra-high transoms
- Saltwater Series II™ HP Propeller Compatibility – Improved top-end performance in lighter boats
- Shift Dampener System (SDS®) – Quieter, smoother gear engagement
- TotalTilt™ System – One-touch full trim up or down for easy trailering
- Thrust Enhancing Reverse Exhaust – Superior control when docking or reversing
- High-Output Alternator (50–70 Amp) – Supports advanced marine electronics

Why You Should Buy it

If your offshore boat requires a 35-inch shaft and dependable V6 power, the Yamaha F300ECB is an excellent choice. Its combination of digital control, smooth performance, and Yamaha’s legendary offshore reliability makes it a smart long-term investment for serious saltwater boating.