Yamaha F25 Portable Mechanical ES Outboard Motor – Power and Portability Combined

The Yamaha F25 Portable Mechanical ES Outboard Motor is engineered for boaters seeking a balance between robust performance and lightweight design. Ideal for small to medium-sized boats, this four-stroke outboard offers reliability and efficiency for various maritime activities.

What It Is

The Yamaha F25 is a 25-horsepower, two-cylinder, single overhead cam (SOHC) outboard motor. Its 432cc displacement ensures ample power for small to mid-sized boats, while its compact design makes it ideal for portable applications. The electric start (ES) feature adds convenience, eliminating the need for manual pulling.

How It Works

At the heart of the F25 is its SOHC in-line twin-cylinder engine, delivering smooth and efficient performance. The engine’s design minimizes vibration, ensuring a comfortable ride. With a full throttle RPM range of 5000–6000, the F25 provides responsive acceleration and consistent power delivery. Its electronic fuel injection (EFI) system ensures optimal fuel efficiency and easy starting.

Benefits and Advantages

• Fuel Efficiency: The EFI system optimizes fuel consumption, allowing for longer trips without frequent refueling.

• Lightweight Design: Weighing approximately 126 lbs (57 kg), the F25 is easy to transport and handle.

• Corrosion Resistance: Features Yamaha’s Phaze Five electro-deposited paint system, providing a five-layer barrier against corrosion.

• Versatility: Suitable for various applications, including fishing, leisure boating, and tendering.

Safety and Responsible Usage

The F25 is equipped with an engine warning system that includes overheat protection, low-oil-pressure warning, over-rev protection, and start-in-gear protection. These features ensure safe operation and prolong the engine’s lifespan. Always adhere to local boating regulations and wear appropriate safety gear when operating the outboard motor.

Longevity and Maintenance Tips

• Regular Oil Changes: Use Yamalube® 4M 10W-30 oil and change it regularly to maintain smooth operation.

• Freshwater Flushing: After each use in saltwater, flush the engine with freshwater to remove corrosive elements.

• Storage: Store the motor in a dry, cool place, and ensure it is properly secured to prevent damage.

• Routine Inspections: Check the propeller, fuel system, and electrical components periodically to ensure optimal performance.

Composition / Key Technical Specs

Typical Usage Scenarios

• Fishing: Ideal for small fishing boats, providing quiet and efficient operation.

• Leisure Boating: Perfect for recreational outings, offering easy handling and reliable performance.

• Commercial Applications: Suitable for use in tenders and small workboats, delivering consistent power for various tasks.

For more information and to explore other Yamaha outboard motors, visit YamahaOutboardsUSA.com