Skip to Main Contents

V6 4.2-liter 300-225ps

The next-generation four stroke outboard motors designed for powerful performance, light weight and compactness

The Next-generationCutting edge technologies provide
high output and lightest weight in class

F300B/250D/F225F are 4-stroke outboard motors that provide high performance in packages designed to be the lightest outboards in the 225 to 300hp classes. These models achieve class-leading performance, lightness and compactness. Various Yamaha Motor technologies were incorporated to give good fuel economy, convenience, and environmental friendliness.

Power & Performance

Plasma-fused sleeveless cylinder

These are the first outboards in the world to feature sleeveless cylinders employ plasma fusion technology. This produces cylinders that are lighter, more heat-resistant, abrasion-resistant and recyclable.

Lightest weight in its class

These outboards utilize Yamaha's unique weight-saving technologies in various places including the plasma-fused sleeveless cylinders and plastic bottom cowling, producing a class-leading V6 displacement of 4.2 liters while being the lightest in the V6 class.


24-valve DOHC engine

The newly developed DOHC power unit has a 4,169cm3 displacement and a 60ー V-6 cylinder format and 24 valves. It pumps out exceptional power and speed performance with outstanding fuel economy, plus the famous Yamaha reliability.

ECM: Engine control module

The ECM constantly controls fuel injection volume, injection timing and ignition timing to improve combustion efficiency in all types of use conditions.


70-ampere high output alternator

The electric system utilizes the highest 70-ampere output alternator in its class, a handy feature which can help power today's wide array of onboard electronic devices.


Smooth shift dampener system

Yamaha's exclusive new smooth shift dampener system greatly reduces noise commonly associated with shifting gears. It will be available with renewed Saltwater Series II propellers.

Digital network gauge

The digital gauge offers a lot of information to the operator to help provide effective and easy operation. The LCD screen can display speed, engine speed, trim position, cooling water temperature and pressure, oil pressure, fuel flow, battery voltage, shift position, clock, engine synchronization, warning, diagnosis and so on.

The lineups of outboard models offered differ by country or area. Product names, coloring and graphics may also differ. The specifications of outboards shown on this website may be changed or production discontinued without notice.
Always read your owner's manual before using the outboard and be sure to use it properly.
Direct inquiries concerning Yamaha outboards to your country's distributor or local dealership..

Back to