Lightweight, compact and economical, Yamaha’s single-cylinder F5 portable has been designed to be ultra-easy to use and transport. Featuring a specially developed four- stroke, Overhead Valve (OHV) design, this engine delivers excellent fuel efficiency and smooth running. Attention to detail is what makes Yamaha small engines great - delivering a user experience that stands head and shoulders above anything else.
Features
Specifications
| Engine Type | 4-Stroke, OHV, 1-cylinder |
| Displacement (cc) | 139.0 |
| Bore x Stroke | 62 x 46 |
| Recommended Max PRM | 4500-5500 |
| Lubrication System | Wet sump |
| Fuel Management | Carb |
| Ignition | CDI |
| Starter System | Manual Choke |
| Alternator Output | 12V-6Amp with Rectifier Regulator (optional) |
| Operation Method | Tiller Handle |
| Tilt and Trim Method | Manual Tilt |
| Digital Guages | |
| Digital Network Guages with Fuel Management | N/A |
| Gear Ratio | 2.08:1 |
| OEDA Emission Rating | 3 |
| Height | S: 435 [17.1] | L: 562 [22.1] |
| Weight | S: 27 | L: 28 |