Yamaha F300ECB Outboard Motor

35-Inch Shaft | DEC (Digital Electronic Control) | Electric Start | Power Trim & Tilt | Gray

The Yamaha F300ECB is built for serious offshore power and endurance, delivering 300 horsepower from Yamaha’s trusted 4.2L V6 four-stroke platform. Designed for tall-transom offshore vessels, this 35-inch shaft model ensures optimal propeller placement for heavy seas and deep-running performance. Its Digital Electronic Control (DEC) system provides ultra-smooth throttle and shift response for effortless handling, whether docking, trolling, or cruising offshore.

Finished in Yamaha’s classic Gray, the F300ECB offers a timeless look with industry-leading corrosion protection, making it equally at home on rugged fishing boats and luxury sportfishing yachts.

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Key Features:

• 300 Horsepower, 4.2L V6 Four-Stroke Engine
  Delivers exceptional offshore torque and top-end speed.
• Gray Finish
  Classic Yamaha styling with long-lasting corrosion resistance.
• Digital Electronic Control (DEC)
  Smooth, precise throttle and shift operation for total control.
• 35-Inch Shaft Length
  Designed for tall-transom offshore applications.
• Electric Start
  Reliable push-button ignition for quick starts.
• Power Trim & Tilt
  Fine-tune running angle for efficiency, performance, and shallow-water use.
• Electronic Fuel Injection (EFI)
  Ensures optimal fuel economy, throttle response, and reliability.

Need help choosing your engine? Check out our Yamaha engine guide.

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Frequently Asked Questions

Q: What does the “B” stand for in F300ECB?
A: It designates the specific generation and rigging compatibility of this DEC model.

Q: Can I use this in saltwater?
A: Yes—Yamaha’s advanced corrosion protection system is built for offshore environments.

Q: Why choose a 35-inch shaft model?
A: It’s essential for boats with deep transoms to maintain correct propeller depth and performance in rough conditions.