F20SMHB Yamaha 4 Stroke 20hp Outboard – Lightweight Portable Power

The F20SMHB Yamaha 4 Stroke 20hp Portable Outboard is a versatile and reliable marine engine designed to meet the demands of both recreational and commercial boaters. With its robust 432cc two-cylinder engine, this outboard delivers 20 horsepower at 5500 RPM, ensuring ample power for a variety of small to mid-sized boats. The engine’s design is based on Yamaha’s award-winning F25 platform, offering enhanced performance and durability.

Key Features and Performance

• Engine Type: 2-cylinder, SOHC, 432cc displacement

• Fuel Induction: Electronic Fuel Injection (EFI)

• Starting System: Manual start

• Cooling System: Thermostatic control

• Alternator Output: 16 Amp at WOT

• Compression Ratio: 9.3:1

• Gear Ratio: 2.00:1

• Shaft Length: 15 inches (Short Shaft)

• Weight: Approximately 126 lbs (57 kg)

• Tilt Range: 62°–63°

• Trim Range: -3° through +16°

The F20SMHB is engineered for efficiency and ease of use. Its lightweight design and manual start system make it an excellent choice for boaters seeking a straightforward and dependable outboard motor. The 15-inch shaft length is ideal for boats with shallower transoms, providing optimal propeller immersion and stability.

Benefits and Advantages

• Fuel Efficiency: The EFI system ensures optimal fuel combustion, leading to reduced fuel consumption and extended range.

• Reliability: Built on Yamaha’s renowned F25 platform, the F20SMHB inherits a legacy of durability and performance.

• Portability: Weighing approximately 126 lbs, this outboard is easy to transport and handle, making it suitable for various boating applications.

• Ease of Maintenance: The engine’s design allows for straightforward maintenance, ensuring longevity and consistent performance.

Safety and Responsible Usage

Safety is paramount when operating any marine engine. The F20SMHB is equipped with features that promote safe operation:

• Overheat Protection: Monitors engine temperature to prevent overheating.

• Oil Pressure Warning: Alerts the operator if oil pressure drops below safe levels.

• Start-in-Gear Prevention: Prevents the engine from starting if the gear is engaged, reducing the risk of unintended movement.

Always adhere to the manufacturer’s guidelines for operation and maintenance to ensure safe and efficient use of the F20SMHB.

Longevity and Maintenance Tips

To maximize the lifespan of your F20SMHB outboard:

• Regular Maintenance: Follow the recommended service intervals for oil changes, spark plug inspections, and other routine maintenance tasks.

• Proper Storage: Store the outboard in a dry, cool place when not in use.

• Flush After Use: Flush the engine with fresh water after each use in saltwater to remove corrosive elements.

• Use Quality Fuel and Oil: Utilize the recommended fuel and Yamalube® 4M engine oil to ensure optimal performance.

Typical Usage Scenarios

The F20SMHB is suitable for various boating activities:

• Fishing: Ideal for small fishing boats and dinghies.

• Leisure Boating: Perfect for recreational outings on lakes and rivers.

• Commercial Applications: Suitable for use in commercial settings requiring a reliable and efficient outboard motor.

For more information and to purchase the F20SMHB, visit YamahaOutboardsUSA.com.