Twin Yamaha 300hp DEC Outboard Engines F300UCB & LF300UCB

Twin Yamaha 300hp DEC Outboard Engines F300UCB & LF300UCB

Yamaha’s award-winning V6 4.2-liter outboards have been offshore favorites for more than a decade. Initially, boaters were attracted to their power, efficiency, and intelligent design. After years of proven performance, these V6 4.2-liters have become known for something perhaps even more valuable offshore—reliability. In fact, with legendary 96 percent reliability, they’re one of the most trusted V6’s offshore. Now, these trusty outboards are turning heads again, with a fresh new look and integrated digital electric steering, making them even more responsive. The V6 Offshore outboards have proven once again that even a trusted favorite can take an exciting turn.

For more details on Yamaha outboards, visit our Yamaha Outboard Motors page.

Yamaha’s F300 is a reliable, offshore favorite—and it’s only getting better. It now features a fresh new cowling design and rerouted exhaust for enhanced reverse thrust, available in Yamaha Gray or Pearlescent White. It’s destined to be a top choice offshore for years to come. Twin Yamaha 300hp DEC Outboard Engines F300UCB & LF300UCB

Key Features

Top Speed and Smooth Shifting

Yamaha’s new Saltwater Series II™ HP Propeller can boost top-end speed by nearly 2 mph in lighter-weight applications. It’s also equipped with Yamaha’s patented Shift Dampener System (SDS®) for smoother, quieter shifting.

Fast, Easy Tilting

A new, Yamaha exclusive, TotalTilt™ performs a quick, full trim up or down with the fast, double-tap of a button. This makes trailering quick and easy and is handy when a complete up or down tilt is needed.

Powerful, Precise Maneuvering

Thrust Enhancing Reverse Exhaust keeps exhaust bubbles away from the propeller below 2500 RPM and when in reverse. This means the prop bites only clean water, resulting in outstanding reverse thrust and control—especially when backing down on fish and maneuvering around docks.

Explore more Yamaha outboards like the Yamaha VF200 LA VMAX SHO and the Yamaha VF250X VMAX SHO.

Motor Specifications

Specification	Yamaha F300UCB DEC	Yamaha LF300UCB DEC Counter Rotation
Horsepower	300hp	300hp
Cylinders	6 cyl	6 cyl
Shaft Length	30″ XX-Long	30″ XX-Long
Throttle/Shift	Digital	Digital
Steering	Command Link Controls with Remote Hydraulic Steering	Command Link Controls with Remote Hydraulic Steering
Starter	Electric	Electric
Weight	562 lbs	562 lbs
Alternator Output	50 – 70 amp	50 – 70 amp
Degree of Tilt	70°	70°
Degree of Trim	-3° through +16°	-3° through +16°
Full Throttle Range	5000 – 6000 rpm	5000 – 6000 rpm
Displacement	4.2L	4.2L
Fuel Induction System	Electronic Fuel Injection (EFI)	Electronic Fuel Injection (EFI)
Standard Features	Power Trim & Tilt, Owner’s Manual	Counter Rotation, Power Trim & Tilt, Owner’s Manual
Warranty	Yamaha 3-Year Warranty	Yamaha 3-Year Warranty

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