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.
Engine Type4-Stroke, OHV, 1-cylinder
Bore x Stroke (mm)62 × 46
Fuel Tank Capacity (l)1.1
Displacement (cc)139.0
Recommended Maximum RPM4500-5500
Fuel ManagementCarb
IgnitionCDI
Lubrication SystemWet sump
Alternator Output12V-6Amp with Rectifier Regulator (optional)
Gear Ratio2.08:1
Starter SystemManual Choke
Operation MethodTiller Handle
Trim and Tilt MethodManual Tilt
Command Link GaugesN/A
Transom Height (mm [inch])S: 435 [17.1] | L: 562 [22.1]
Dry Weight (kg)S: 27 | L: 28