PORTABLE FOUR STROKE 2.5 – 25HP F4

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.


Additional information

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 Max RPM

4000-5000

Fuel Management

Carb

Ignition

CDI

OEDA Emission Rating

3

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 & Tilt Method

Manual Tilt

Digital Gauges

N/A

Command Link Gauges

N/A