New
Honda15 HP
Honda BF15
2016 · gasoline
$2,200.00
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Used
Yamaha
Yamaha 250 HP
$13,500.00
Yamaha’s 250 hp outboard is a high-performance, four-stroke V6 marine engine designed for offshore and heavy-duty boating. It features electronic fuel injection for smooth power delivery and excellent fuel efficiency, with digital or mechanical controls depending on model
Horsepower
250 HP
Fuel Type
gasoline
Year
2025
Hours
200
Displacement
4.2L
Stroke
4-stroke
Rated Output
186 kW/ 250HP
Rated Speed
6000rmp
In Stock (3 available)
Free shipping on orders over $500
90-day warranty included
Description
The Yamaha 250 hp outboard is a powerful and versatile V6 four-stroke marine engine engineered for performance, reliability, and smooth operation on a variety of boats—from offshore center consoles to larger bay boats. It features a 4.2-liter displacement with electronic fuel injection (EFI) and advanced DOHC technology for efficient power delivery across the RPM range.
Known for strong mid-range torque, quick acceleration, and refined handling, this engine also offers features like power trim and tilt, high-output charging, and optional digital controls for precision operation. Built with durable marine-specific design elements, it delivers consistent performance in both recreational and demanding environments.
Specifications
SKUG001214
BrandYamaha
CategoryOutboard Engines
ConditionUsed
Horsepower250 HP
Fuel Typegasoline
Year2025
Displacement4.2L
No. of Cylinders6 cylinders
Stroke4-stroke
Shaft Length25
Weight562.00 lbs
Hours200
Rated Output186 kW/ 250HP
Rated Speed6000rmp
Cylinder Bore x Stroke96mm x 96mm
Combustion SystemElectronic Fuel Injection (EFI)
AspirationNatural
Alternator50amps
Dry Weight255kg/562lbs
ControlsMechanical
Frequently Asked Questions
What type of engine is the Yamaha 250 HP outboard?
The Yamaha 250 HP outboard is a 4-stroke, V6 marine engine with a 4.2 liter displacement, designed to deliver smooth power, strong acceleration, and reliable performance.
How much horsepower does it produce?
It produces 250 horsepower at the prop shaft, capable of propelling medium-to-large boats quickly and confidently.
What type of fuel system does it use?
It uses Electronic Fuel Injection (EFI) to precisely control fuel delivery, improving throttle response, starting reliability, and fuel economy.
What kind of boats can use a Yamaha 250 HP outboard?
This 250 HP engine is ideal for: Center console fishing boats Offshore and bay boats Walkarounds and dual console boats Pontoon and larger recreational craft It’s suited to both offshore and inshore use when correctly rigged.
What shaft lengths are available?
Common shaft lengths include 20 inch, 25 inch, and longer (e.g., 30 inch or 35 inch on some DEC models) to match different hull designs.
What fuel should I use in this engine?
Yamaha recommends unleaded gasoline with a minimum octane of 87 (some performance-oriented SHO versions may recommend 89 or higher).
Does the engine come with power trim & tilt?
Yes. Most 250 HP Yamaha outboards include power trim and tilt, allowing you to adjust the engine angle for best performance, efficiency, and shallow-water running.
Is it saltwater-ready?
Yes. Yamaha uses marine-grade corrosion protection and coatings that make the engine suitable for both saltwater and freshwater environments.
How does Yamaha control steering and throttle?
Depending on model, the engine can be equipped with mechanical or digital controls (e.g., Yamaha’s Digital Electronic Control – DEC – for smooth throttle and shift).
How fuel-efficient is the Yamaha 250 HP?
Fuel efficiency varies with boat size, load, and operation, but the EFI system and advanced engine design help improve consumption compared to older carbureted or 2-stroke engines.
What maintenance does it require?
Routine maintenance includes: Engine oil and oil filter changes Gearcase oil replacement Spark plug inspection Water pump and impeller checks Fuel filter replacement Always follow the owner’s manual service schedule for optimum reliability.
Is the Yamaha 250 HP reliable?
Yamaha has a strong reputation for durability and long life in its four-stroke outboards. Regular maintenance and proper freshwater flushing after saltwater use help ensure long-term reliability.
Does it support advanced electronics?
Yes. Many versions of the Yamaha 250 HP outboard are compatible with multi-function gauges, digital displays, Helm Master EX joystick control, and other integrated marine electronic systems (depending on rigging options).
Can this engine be used for trolling and low-speed cruising?
Yes. With EFI and a balanced V6 design, the engine delivers good low-end torque and smooth running at trolling speeds, making it suitable for fishing and precise maneuvering.
