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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