Lightweight, compact and economical, Yamaha’s single-cylinder portable F4 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 makes this Yamaha small engine great by delivering a user experience that stands head and shoulders above anything else.
Technical Specification
| Height | S: 435 [17.1] | L: 562 [22.1] |
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| Weight | S: 27 | L: 28 |
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| Engine | 4-Stroke, OHV, 1-cylinder |
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| Displacement | 139.0 |
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| Bore | 62 x 46 |
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| Max RPM | 4000-5000 |
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| Lubrication | Wet sump |
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| Fuel | Carb |
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| Ignition | CDI |
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| Starter | Manual Choke |
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| Alternator | 12V - 6A with Rectifier Regulator (Optional) |
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| Operation | Tiller Handle |
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| Tilt | Manual Tilt |
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| Gauges | N/A |
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| Network Gauges | N/A |
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| Fuel Tank | 1.1 |
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| Gear Ratio | 2.08:1 |
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| Lpd Switch | 1 |
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Engine 1
