Yamaha F25SMHC 25HP 4-Stroke Portable Outboard – Lightweight & Reliable

The Yamaha F25SMHC 4-Stroke 25HP Portable Outboard Motor is engineered for boaters who demand power, efficiency, and portability. Whether you’re navigating serene lakes, coastal waters, or embarking on fishing expeditions, this motor delivers reliable performance in a lightweight design.

What It Is:
The F25SMHC is a 25-horsepower, two-cylinder, four-stroke outboard motor with a 15-inch short shaft. Weighing approximately 126 pounds (57 kg), it offers the best power-to-weight ratio in its class, making it ideal for small to mid-sized boats, dinghies, and utility skiffs.

How It Works:
This outboard features a 432cc engine with a battery-less EFI system, ensuring efficient fuel consumption and reliable starting. The single overhead camshaft (SOHC) design provides smooth operation, while the manual start system is complemented by an automatic decompression device for easier pulls. The mechanical tilt system allows for manual adjustment to suit various water conditions.

Benefits and Advantages:

• Lightweight Design: At 126 pounds, it’s the lightest 25HP outboard in its class, enhancing portability and ease of handling.

• Battery-Less EFI: The advanced fuel injection system offers improved fuel efficiency and reliable starts, even in challenging conditions.

• Enhanced Maneuverability: The 45-degree steering angle in each direction ensures precise control and easy navigation in tight spaces.

• Built-In Features: Includes a freshwater flush device for engine maintenance and built-in resting pads and carry handles for convenient storage and transport.

Safety and Responsible Usage Considerations:

• Always operate the motor in accordance with local regulations.

• Regularly inspect the fuel system and ensure all connections are secure.

• Store the motor in a dry, ventilated area when not in use.

Longevity and Maintenance Tips:

• Flush the engine with fresh water after each use in saltwater.

• Change the engine oil and inspect the spark plug regularly.

• Store the motor in one of three horizontal positions to prevent oil leaks during storage.

Composition / Key Technical Specs:

• Engine Type: Two-cylinder, 4-stroke

• Displacement: 432cc

• Horsepower: 25 HP @ 5500 RPM

• Full Throttle RPM Range: 5000–6000 RPM

• Fuel System: Battery-less EFI

• Ignition System: CDI

• Lubrication: Wet sump

• Cooling System: Thermostatic control

• Fuel Tank Capacity: 12L (integrated)

• Shaft Length: 15 inches (short shaft)

• Weight: 57 kg (126 lbs)

• Tilt System: Mechanical

• Steering: Tiller handle with 45° rotation

Typical Usage Scenarios:

• Fishing: Ideal for small fishing boats and dinghies.

• Leisure Boating: Perfect for recreational boating on calm waters.

• Commercial Applications: Suitable as an auxiliary motor for larger vessels.

For more information on Yamaha outboard motors, visit our homepage: Yamaha Outboards USA