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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.
Features
Technical Specifications
Technical Specifications
- Engine Type: 4-Stroke, OHV, 1-cylinder
- Bore x Stroke (mm): 62 x 46
- Fuel Tank Capacity (l): 1.1
- Displacement (cc): 139.0
- Recommended Maximum RPM: 4000-5000
- Fuel Management: Carb
- Ignition: CDI
- Lubrication System: Wet sump
- Alternator Output: 12V - 6A with Rectifier Regulator (Optional)
- Gear Ratio: 2.08:1
- Starter System: Manual Choke
- Operation Method: Tiller Handle
- Trim and Tilt Method: Manual Tilt
- Digital Gauges: N/A
- Command Link Gauges: N/A