Outboard engine from Yamaha, the lightest in its class with us.
This legendary four-stroke portable two-cylinder engine is now about 25% lighter! Take a breath and let the innovative Yamaha technologies convince you. The all-new F25 offers the same features as larger engines, plus a unique weight-to-power ratio and fuel economy. New battery-free EFI (Electronic Fuel Injection) system for easy starting. Variable trolling speed (VTS) lower than normal idle speed.
Engine. Motor type 4-stroke
432 cc, -
Number of Cylinders / Arrangement
2 / In-line, SOHC
Bore x stroke
65.0 mm x 65.1 mm, -
Propeller shaft power at medium speed
18.4kW / 6,000 / min
Full throttle speed range
5,000 - 6,000 rpm
Lubrication Wet sump Mixture Formation Electronic Fuel Injection
Ignition / advance system CDI
Electric / Manual, Manual (MH), Electric (E, ET) with Prime Start ?
Gear reduction (teeth)
2.08 (27: 13)
Recommended mirror height of the boat
S: 424mm L: 551mm
Weight with propeller from 57 kg.