Adventure Motorsports of NWF

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2025 Yamaha Outboards In-line 4 150 hp

The legendary Yamaha F150 has enjoyed over a decade of unrivaled popularity. Powerful, light, nimble, and compact, boaters know its proven reliability and performance is unmatched for a broad range of boat styles and hulls. In fact, its versatile technology inspired the F200, which has also quickly become a favorite. Now with integrated steering, both the F150 and F200 let boaters hit the water with responsive performance, a cleaner bilge and more space on the boat for storage and comfort. Year after year, Yamaha’s In-Line Fours just keep getting better and better.

The In-Line Four 150 is one that started it all and it’s more popular than ever. Powerful, light and compact, it’s mechanical or digital compatible and uses integrated steering, making it more streamlined and responsive than ever before.

• Comes with integrated electro-hydraulic steering for digital models and integrated hydraulic steering for mechanical models

• Only 509 pounds (20” shaft DEC model)

• Available in 20” or 25” shafts

• Powerful 50-amp alternator (2.8-liter digital) or 35-amp alternator (2.7-liter mechanical)

• Digital F150 available in new pearlescent white and signature Yamaha gray

• Mechanical F150 available in signature Yamaha gray

Power and Performance

A proven 16-valve DOHC In-Line design, with four valves per cylinder maximizes efficiency and power. It also streamlines design, giving the F200 impressive power-to-weight.

Precision Multi-Point Electronic Fuel Injection and long-track intake system combine to maximize power and fuel efficiency across the line of In-Line Fours.

With up to 50-amp alternators, our In-Line Fours provide plenty of power for a range of electronics, which comes in handy, now that they're all compatible with digital controls.

Convenience and Control

26-inch mounting centers and a bolt pattern that matches previous two strokes make In-Line Fours flexible for most repowers.

Our entire In-Line Four Series has a user adjustable trolling speed. This allows for precision adjustment of trolling in 50-RPM increments when equipped with a Yamaha digital gauge. Trolling range varies based on model.

A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.