Yamaha F20 20HP Portable Mechanical ES Outboard – Reliable & Compact

The Yamaha F20 Portable Mechanical ES Outboard Motor is a versatile, reliable, and compact engine designed for small boats, dinghies, inflatables, and auxiliary craft. Yamaha’s engineering ensures that this 20-horsepower outboard combines power, portability, and fuel efficiency in a user-friendly design suitable for both recreational and practical applications.

What It Is:
The F20 is a 20HP, two-cylinder, four-stroke outboard with a mechanical electronic shift (ES) system. Weighing approximately 97 lbs (44 kg), it is portable and easy to mount while delivering robust performance for small and mid-sized watercraft.

How It Works:
Equipped with a 366cc engine, the F20 features Yamaha’s mechanical ES system, which allows smooth gear shifting and enhanced control over speed and maneuverability. Its manual start with optional electric start ensures reliable ignition, while the tiller handle provides precise steering. The engine’s wet-sump lubrication and overhead valve (OHV) design offer durability and quiet operation.

Benefits and Advantages:

• Fuel Efficiency: The 4-stroke design provides better fuel economy compared to older 2-stroke models.

• Smooth Operation: Minimal vibration and noise make for a comfortable boating experience.

• Portability: Lightweight design allows for easy transport, storage, and installation.

• Reliable Performance: Yamaha engineering ensures long-lasting durability in both freshwater and light saltwater conditions.

• Maintenance Friendly: Easy access to engine components simplifies routine maintenance.

Safety and Responsible Usage:

• Always operate according to local maritime laws.

• Inspect fuel lines and propeller before use.

• Use appropriate safety gear, including life jackets.

• Avoid overloading the boat.

Longevity and Maintenance Tips:

• Flush the engine after saltwater use.

• Perform regular oil and spark plug checks.

• Store the engine upright in a ventilated area during winter or off-season.

• Replace fuel lines and filters as recommended by Yamaha.

Key Technical Specs:

• Engine Type: Two-cylinder, 4-stroke

• Displacement: 366cc

• Horsepower: 20 HP @ 5000–6000 RPM

• Fuel System: Carburetor

• Ignition System: CDI

• Lubrication: Wet sump

• Cooling System: Thermostatic water-cooled

• Fuel Tank Capacity: 12L (external or portable)

• Shaft Length: 15″ (short) / 20″ optional

• Weight: 44 kg (97 lbs)

• Tilt System: Manual

• Steering: Tiller handle with 360° rotation

Typical Usage Scenarios:

• Small fishing boats and tenders

• Recreational and leisure boating

• Auxiliary power for larger vessels

For more information, visit: Yamaha Outboards USA