Yamaha F4 Portable Outboard Engine
The Yamaha F4 is a portable outboard engine that offers reliable and efficient performance in a compact and lightweight package. With a displacement of 139cc and a horsepower rating of 4, this engine is ideal for smaller boats and inflatable vessels.
One of the key features of the Yamaha F4 engine is its portability. The engine weighs only 59 pounds, making it easy to carry and transport between different boats or to and from the water. Despite its small size, the engine offers impressive performance, with smooth acceleration and excellent fuel economy.
The Yamaha F4 engine also features Yamaha’s advanced fuel injection system, which ensures precise and efficient fuel delivery, resulting in improved fuel economy and reduced emissions. The engine is also designed for easy maintenance, with convenient access to oil and filter changes.
In terms of handling, the Yamaha F4 engine is equipped with Yamaha’s Digital Electronic Control (DEC) system, which provides precise and responsive control over engine speed and direction, as well as smooth and quiet operation. The engine also features an easy-to-use tiller handle, which allows for easy maneuvering and steering.
F4
| Engine Type | OHV, 1-cylinder |
|---|---|
| Displacement [cm3] | 139 |
| Bore x Stroke [mm] | 62.0 x 46.0 |
| Max. Prop Shaft Output [kW (ps)] @r/min | 2.9 (4) @4500 |
| Fuel Induction System | Carburetor |
| Engine Transom Height[mm (inch)] | S: 435 (17.2), L: 562 (22.2) |
| Dry Weight [kg] * | 27-28 |
| Starting System | Manual Starter |
| Controls | Tiller Handle |
| Tilt System | Manual Tilt |
| Lubrication System | Wet Sump |
| Digital Network | Not available |
Overall, the Yamaha F4 portable outboard engine is a reliable and efficient choice for boaters who are looking for a lightweight and easy-to-transport engine for their smaller boats and inflatable vessels. Its advanced features and compact design make it an ideal choice for those who value portability and convenience.
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