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ID # 35001339

Mercury - FourStroke 250HP Phantom Black

  • Mercury FourStroke 250HP Phantom Black
  • Mercury FourStroke 250HP Phantom Black
  • Mercury FourStroke 250HP Phantom Black
  • Mercury FourStroke 250HP Phantom Black
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Overview

FourStroke 250-300hp

3.4L V6 and 4.6L V8

Reliability, flexibility, power and efficiency – all within your reach. Backed by decades of marine power innovation and product leadership, Mercury V8 and V6 FourStroke outboards deliver legendary performance and forward-thinking technology. FourStroke outboards are built for any body of water and a wide variety of boats.
Specifications
Model
FourStroke
Category Name
Outboard Engines
Year
2025
Sale Type
New
Manufacturer
Mercury
Color
Phantom Black
Name
FourStroke 250HP
HP / KW
250 / 184
Horsepower
250
Engine Type
V8
Displacement (L)
4.6L
Recommended Fuel
Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Alternator Amp / Watt
85 amp (1071 Watt) with Idle Charge
Dry Weight *Lightest Model Available
527 lbs / 239 kg
features

Adaptive Speed Control

The Adaptive Speed Control feature lets you maintain engine rpm despite changes in load or conditions. Climbing large swells is easier. Cruising at low speeds is smoother. Carving out tight turns is effortless.

Easy to Maintain

The exclusive Top Cowl Service Door simplifies routine maintenance, letting you check or add engine oil without removing the top cowl. An hour-based maintenance schedule decal is located under the cowl, providing a quick overview of routine maintenance.

Industry-Exclusive Battery Management Technology

When needed, the idle charge battery management system works for you by monitoring battery voltage and adjusting engine rpm at idle to boost alternator output.

Smooth and Quiet

Featuring a large muffler and a vibration-dampening cowl design, Mercury V8 FourStroke outboards deliver an exceptionally smooth, quiet ride at any speed.

Ample Charging Output

A powerful alternator delivers 85 amps of charging power at wide-open throttle – perfect for keeping onboard electronics running long into the fun.
performance

Exceptionally Smooth & Quiet

The V8 300hp FourStroke outboard is 33% quieter at cruise with 30% less transmitted vibration at idle than the leading four-stroke competitor.

High Displacement

The high-displacement, quad-cam design of the V8 FourStroke powerhead generates serious torque, especially at mid-range, for quick acceleration and exciting speeds.

Light & Compact

The V8 300hp FourStroke outboard is the lightest in the 300hp class by more than 20 pounds. Both V8 models mount on 26-inch centers for easy repowers or new installation on a wide range of boats.
fourstroke advantage

Comfort

With a balanced powerhead and sophisticated, vibration-dampening cowl design, Mercury FourStroke outboards deliver an exceptionally smooth and quiet ride at any speed.

Compact Design

Ideal for new engine setups or repowers, the slender width of a Mercury FourStroke outboard fits most transoms, including those with narrow engine wells and tight motor spacing.

Durability

Premium corrosion-preventive technologies and durable components ensure FourStroke outboards can stand up to the most demanding marine environments.

Efficiency

Explore farther and stay out longer thanks to impressive power-to-weight ratios, intelligent fuel systems and optimized fuel injection (on most models) that maximize performance from every drop of fuel.
smartcraft

SmartCraft® The Power to Do More

SmartCraft® is a full suite of digital technologies, fully integrated and totally coordinated. Gauges, sensors, vessel systems, computer-controlled features – one total package, one high level of control. Make your boating experience easier, safer and a lot more enjoyable.

Mercury FourStroke 250HP Phantom Black Digital Throttle & Shift

Available Digital Throttle & Shift (DTS) controls deliver smooth, quiet shifting and instant throttle response, with zero hesitation. With integrated SmartCraft technologies and an intuitive user interface, DTS puts you in complete command of your adventures.

DTS controls are available for Mercury 175-300hp outboards. They’re standard on all Verado® outboards and the 350 and 500hp SeaPro™ outboards.

Mercury FourStroke 250HP Phantom Black VesselView Mobile

VesselView Mobile® allows you to use a mobile device to connect wirelessly with your Mercury outboard, providing quick, convenient access to your own custom gauges, maintenance logs and performance data, like engine hours and fuel tracking.

VesselView Mobile is compatible with all current SmartCraft-capable Mercury outboards (2004 and newer, 40hp and above; 2022 and newer, 25hp and above).

https://www.mercurymarine.com/content/experience-fragments/mercury-marine/ca/en/site/Engines/outboard/fourstroke/fourstroke-smartcraft/master/_jcr_content/root/pagesection_15515017/columnrow234/item_1689582632152/teaser_1308680372.coreimg.100.400.png/1699889586487/active-trim.png Active Trim

Active Trim makes boating easier and more enjoyable by automatically trimming your outboard. It simplifies boat operation while improving engine performance and decreasing fuel costs.

Active Trim is compatible with all current SmartCraft-capable Mercury outboards (2004 and newer, 40hp and above; 2022 and newer, 25hp and above).

Mercury FourStroke 250HP Phantom Black JPO for Single-Engine Pontoons

Joystick Piloting for Outboards (JPO) for Single-Engine Pontoons makes it easier than ever to maneuver large pontoon boats in close quarters. Integrated bow and stern thrusters, positioned under the deck, deploy and stow as needed. Once deployed, they work in tandem with the outboard to provide a level of control once reserved for multi-engine vessels.

JPO for Single-Engine Pontoons is available on Mercury 175-600hp outboards with DTS controls.
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