|Engine Type||Two-cylinder, In-line|
|Displacement||432cc / 26.4ci|
|Bore x Stroke||65 x 65.1mm / 2.554 x 2.558in|
|Full Throttle RPM Range||5000 - 6000|
|Variable Trolling RPM Range||750-1050 rpm|
|Idle Speed||900 rpm|
|Horsepower Rating at Propshaft||25 hp at 5500 rpm|
|Fuel Induction/Scavenging||SOHC, 2 valves per cylinder|
|Alternator Output||16 amp|
|Starting Method||M=Manual / E=Electric|
|Degree of Trim||-3° through +16° (PTT) 4 positions (manual tilt)|
|Degree of Tilt||-3° through +63° (PTT) -4 through +62˚ (manual tilt)|
|Cooling||Water, Thermostatic Control|
Yamaha F25 has fully designed a new motor!
Light, No Carburetor, quiet and quick.
Incredible Power to Weight
The F25 design features two-valves-per-cylinder and a single overhead camshaft, making it the lightest 25-horsepower outboard on the water. This also means better breathing and more power.