Description
The Yamaha 4HP portable four-stroke outboard motor (Model F4SMHA) provides compact and reliable power for small boats and inflatables. Built with a 139cc overhead-valve single-cylinder design, this engine balances performance with portability for recreational use. Weighing approximately 55 pounds, it is engineered for optimal power-to-weight performance.
Key features include: Tiller control system, Manual starting mechanism, 15" Short shaft configuration.
The compact single-cylinder overhead-valve design delivers reliable performance with minimal maintenance requirements. Features include easy-starting decompression, a built-in fuel tank, and optional external fuel tank connectivity for extended operating range.
Ideal for small fishing boats, inflatable tenders, canoes with transoms, and other lightweight watercraft. Provides sufficient power for casual cruising and short-distance fishing trips.
Specifications: 4 horsepower, 139cc engine displacement, 15" Short shaft. Compatible with various hull types including aluminum, inflatable, and fiberglass construction. Designed for long-term reliability with minimal maintenance requirements.
Specifications
| Horsepower | 4hp |
|---|---|
| Shaft Length | 15" Short |
| Steering Type | Tiller |
| Starter Type | Manual |
| Trim & Tilt | Manual |
| Color | Standard |
| Brand | Yamaha |
| MPN | F4SMHA |
| Condition | new |
| Weight | 55 |
What’s included with your outboard
Wave Engines supplies this outboard rigged and ready to fit. The following is shipped with the motor:
- Tiller handle with twist-grip throttle, gear shift and engine stop lanyard, fitted and adjusted
- Integral fuel tank, with fuel line and primer bulb
- Transom clamp and mounting hardware, fitted and adjusted
- Engine tool kit and a spare set of spark plugs
- Owner’s manual, warranty registration and pre-delivery inspection record
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