4HP Four Stroke

Farnley's Yamaha Verified independent store

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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, Over head 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 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 Transom Height (mm [inch])S: 435 [17.1] | L: 562 [22.1] Dry Weight (kg)S: 27 | L: 28 Show more