Yamaha 300hp DEC Outboard F300UCB

The Yamaha 300hp DEC Outboard F300UCB is engineered for serious offshore boaters who demand strong V6 power and a longer 30-inch shaft configuration. Built on Yamaha’s legendary 4.2-liter V6 platform, this outboard delivers smooth acceleration, high torque, and exceptional durability in challenging saltwater environments.

With a refreshed cowling design, enhanced reverse thrust, and Digital Electronic Controls, the F300UCB provides precise handling and confidence for offshore fishing, cruising, and long-distance runs.

Features and Performance

• 4.2L V6 Four-Stroke Engine – Proven offshore power with smooth, efficient operation

• Digital Electronic Controls (DEC) – Precise throttle and shift for effortless control

• Electronic Fuel Injection (EFI) – Reliable cold starts and optimized fuel delivery

• 30″ XX-Long Shaft – Ideal for offshore boats with higher 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 trailering convenience

• Thrust Enhancing Reverse Exhaust – Strong reverse thrust and docking control

• High-Output Alternator (50–70 Amp) – Supports advanced marine electronics

Why You Should Buy It

The Yamaha F300UCB is the right choice for offshore boaters who need dependable V6 power with a 30-inch shaft and modern digital control. Its combination of durability, smooth performance, and Yamaha’s legendary reliability makes it a smart investment for demanding saltwater applications.

FAQ – Yamaha 300hp DEC Outboard F300UCB

Q: What boats is the F300UCB best suited for?
It’s ideal for offshore center consoles and deep-V hulls that require a 30-inch shaft.

Q: Does this model use digital throttle and shift?
Yes. It features Digital Electronic Controls (DEC) for smooth and precise operation.

Q: Is this outboard suitable for saltwater use?
Absolutely. It’s built on Yamaha’s proven offshore V6 platform with excellent corrosion resistance.

Q: Can it power multiple onboard electronics?
Yes. The high-output alternator supports modern marine electronics and accessories.