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

HeightS: 435 [17.1] | L: 562 [22.1]
WeightS: 27 | L: 28
Engine4-Stroke, OHV, 1-cylinder
Displacement139.0
Bore62 x 46
Max RPM4000-5000
LubricationWet sump
FuelCarb
IgnitionCDI
StarterManual Choke
Alternator12V - 6A with Rectifier Regulator (Optional)
OperationTiller Handle
TiltManual Tilt
GaugesN/A
Network GaugesN/A
Fuel Tank1.1
Gear Ratio2.08:1
Lpd Switch1

Engine 1

Horse Power 4