Buy Yamaha F4SMHA 4 HP Outboard Motor Online
The Yamaha F4SMHA 4 HP Outboard Motor delivers reliable, lightweight, and eco-friendly performance for small watercraft, dinghies, inflatable boats, and tenders. Powered by a efficient 139cc single-cylinder OHV 4-stroke engine, this portable motor provides impressive low-end torque and clean operation without requiring oil-and-gas mixing.
Engineered for maximum portability and effortless handling, the Yamaha F4SMHA 4 HP Outboard Motor features an ergonomic honda 50 boat motor carrying handle, a 15-inch short shaft length, and a lightweight design weighing under 60 pounds. It includes an integrated 1.1-liter fuel tank suzuki df20a outboard along with a two-way fuel supply valve that allows easy suzuki 20 hp outboard connection to an external fuel tank for longer trips on the water.
Navigating shallow waters is effortless thanks to its 180-degree steering, forward-neutral-reverse gear shift, and multi-position shallow water drive 20 horsepower suzuki outboard system. Additionally, Yamaha’s automatic decompression system and CDI ignition ensure smooth, quick pull starts every time. Designed with Yamaha’s signature anti-corrosion protection, the Yamaha F4SMHA 4 HP Outboard Motor stands as a durable, dependable marine suzuki 20 hp outboard motor companion built to handle fresh and saltwater environments alike.
Technical Specifications
| Feature / Attribute | Specification Details |
| Engine Type | Single-Cylinder 4-Stroke (OHV) |
| Horsepower | 4 HP @ 5,000 RPM |
| Displacement | 139 cc |
| Shaft Length | 15 Inches (Short Shaft) |
| Starting System | Manual Pull Start (with Automatic Decompression) |
| Ignition System | CDI (Capacitor Discharge Ignition) |
| Control Type | Tiller Handle with Twist-Grip Throttle |
| Gear Shift | Forward – Neutral – Reverse (F-N-R) |
| Fuel Delivery | Carburetor |
| Fuel Tank Capacity | 1.1 Liters (Built-in) + External Tank Connection Capability |
| Steering Angle | 180° Full Friction Steering |
| Exhaust System | Above-Propeller Exhaust |
| Dry Weight | ~27 kg (approx. 59 lbs) |
| Corrosion Protection | Yamaha Ultimate Corrosion Protection System (YCP) |
Key Benefits
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Exceptional Portability & Handling
Weighing under 60 lbs and featuring large, ergonomically designed carrying handles, this compact outboard is exceptionally easy to lift, transport, and mount onto small craft or store in a vehicle trunk.
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Clean & Efficient 4-Stroke Performance
The 139cc OHV 4-stroke engine delivers strong low-end torque with low emissions and impressive fuel economy. Plus, it runs on straight unleaded gasoline, eliminating the inconvenience of mixing gas and oil.
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Flexible Dual Fuel Supply System
Equipped with a built-in 1.1-liter fuel tank for short trips, as well as a two-way fuel routing valve that seamlessly connects to an optional external fuel tank for extended journeys.
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Effortless Cold Starts
Yamaha’s CDI ignition system coupled with an automatic cylinder decompression feature reduces initial starter rope resistance, ensuring quick, smooth, and reliable manual starts every time.
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Maneuverability & Shallow Water Operation
Features a full 180-degree tiller steering angle for tight turns and a multi-position shallow water drive system, allowing safe navigation through thin water, rocky shores, and marshlands without damaging the propeller.
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Superior Corrosion Resistance
Constructed with Yamaha’s proprietary aluminum alloy (YDC-30), multi-layer paint finish, and sacrificial zinc anodes to withstand harsh marine and saltwater environments for long-term durability.
What type of boat is the Yamaha F4SMHA 4 HP Outboard Motor best suited for?
The Yamaha F4SMHA 4 HP Outboard Motor is ideal for small fishing craft, jon boats, inflatable tenders, canoes, and small sailboats requiring a reliable 15-inch short shaft portable engine.
Does the Yamaha F4SMHA 4 HP Outboard Motor require mixed gas and oil?
No, the Yamaha F4SMHA 4 HP Outboard Motor features a 4-stroke overhead valve (OHV) design that uses pure gasoline, eliminating the need to mix oil and gas. It includes a built-in oil sump for effortless maintenance and cleaner emissions.
