M3471

2026 Yamaha Outboards In-line 4 150 hp

Tampa bay. Lake Superior. The St. Johns River. Wherever you watch the sun rise you’re likely to find a Yamaha In-Line Four. They’re perfect for all kinds of water—and boaters. For more than a decade Yamaha In-Line Fours have been the go-to for boaters who need light, nimble, compact power. The F200 and F150 are available in mechanical, digital with integrated steering, and now Power-Assisted Tiller models. Their proven reliability, unparalleled performance, and versatile technology make them perfect for a broad range of boat styles, hulls, and applications. It’s no wonder that year after year, Yamaha’s In-Line Fours increase in popularity.

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.

Features may include:

Comes with integrated electro-hydraulic steering for digital models and integrated hydraulic steering for mechanical modelsOnly 509 pounds (20” shaft DEC model)Available in 20” or 25” shaftsPowerful 50-amp alternator (2.8-liter digital) or 35-amp alternator (2.7-liter mechanical)Digital F150 available in signature Yamaha gray, pearlescent white, and classic whiteMechanical F150 available in signature Yamaha grayIMPRESSIVE POWER TO WEIGHTA 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.OPTIMUM POWERPrecision Multi-Point Electronic Fuel Injection and long-track intake system combine to maximize power and fuel efficiency across the line of In-Line Fours.BETTER CHARGINGWith 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.QUICK ACCELERATIONA 10mm Offset Crankshaft allows for larger intake volume design. Four tuned intake tubes boost torque in low and mid-speed ranges for quick acceleration.NEW POWER-ASSISTED TILLEROur new In-Line Four F150P and F200R Power-Assisted Tiller models make tiller steering these higher horsepowers easier.REPOWER READY26-inch mounting centers and a bolt pattern that matches previous two strokes make In-Line Fours flexible for most repowers.VARIABLE TROLLINGOur 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.EASY ENGINE FLUSHINGA Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.