ID # 25493817

Mercury - SeaPro 250hp

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SeaPro 200-300hp

 3.4L V6 and 4.6L V8

Commercial calibration meets commercial duty cycles, delivering more power with less engine stress.

Unmatched corrosion resistance starts with superior aluminum alloys and coatings, plus four serviceable anodes, including one in the cylinder block. All to deliver an engine that works as hard as you do.


Sale Type
Electric Start with SmartStart Protection
Big Tiller (optional) Hydraulic (standard) Power (optional)
Engine Type
Trim System
Power trim and tilt
Shaft Length
20" / 508 mm 25" / 635 mm 30" / 762 mm
Gearcase Ratio
Displacement (L)
Full Throttle RPM
Alternator Amp / Watt
85-amp (1071 Watt) with Idle Charge
Displacement (CID/CC)
279 CID
Cylinder Configuration
V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
Dry Weight *Lightest Model Available
527 lbs / 239 kgs

Adaptive Speed Control

Maintains a desired rpm regardless of changes in load or conditions without adjustments to the throttle level position - a first for the outboard industry.

Exceptionally Smooth and Quiet

Tuned multi-chamber air intake minimizes airborne noise; fuel injector covers reduce high - frequency noise.

Industry-Exclusive Battery Management Technology

When battery voltage decreases, the engine will automatically decrease idle rpm to boost alternator output and recharge low batteries to the proper level, protecting operators from draining their battery while trolling.

 Easy to Maintain

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

Heavy Duty Gearcase

All V8 and V6 SeaPro outboards feature a heavy-duty gearcase validated at three times the lifespan of a recreational gearcase. The SeaPro gearcase was designed with easy maintenance in mind: Oil can be easily drained from the gearcase torpedo.


Reliability & Durability

The V8 and V6 SeaPro outboards generate ample torque at lower rpm levels, enabling users to work their outboards hard without placing excess stress on the engine.

Lightweight & Compact

Each 200 - 300hp SeaPro CMS (Conventional Midsection) outboard is the lightest engine in its class and is built to handle the demands of commercial applications.

High Displacement

The 4.6L V8 225 - 300hp SeaPro outboards boast class-leading displacement, while the 200hp SeaPro features a brawny 3.4L V6 powerhead with plenty of muscle to get the job done.


seapro advantage

Light and Mighty:

Less weight means more efficiency. The V6 200hp SeaPro is the lightest engine in its class. A combination of ample torque and less weight makes these outboards ideal for heavier loaded boats.

Reduced Fuel Cost:

Advanced Range Optimization (ARO) and closed-loop fuel control on the V8 and V6 SeaPro outboards precisely adjust the fuel mixture for optimal fuel economy.

Maximum Durability:

V8 and V6 SeaPro outboards feature a heavy-duty gearcase that is validated at three times the lifespan of recreational gearcase and slips easily through the water, decreasing workload on the engine.

Compact Flexibility:

The V8 and V6 SeaPro outboards mount on 26-inch centers, making them ideal for a broad range of multi-engine applications and simple, seamless repower rigging.


SmartCraft. Boating with a Higher IQ.

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. Get smart.

Joystick Piloting Mercury SeaPro 250hp

300hp SeaPro AMS outboards are compatible with Joystick Piloting for Outboards. Joystick Piloting is designed and personalized for vessels powered by two to six SeaPro outboards. Mercury Joystick Piloting was the industry’s first joystick system for outboards and remains the best-selling marine joystick system.

VesselView Mobile Mercury SeaPro 250hp

VesselView Mobile allows boaters to use a mobile device (smartphone or tablet) to connect with their Mercury outboard or sterndrive engine(s). The plug-and-play module connects via Bluetooth, providing quick, convenient access to your engine’s data.

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

Active Trim Mercury SeaPro 250hp

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

Active Trim is compatible with all current SmartCraft-capable Mercury outboards (40hp and above).

VesselView Link Mercury SeaPro 250hp

VesselView Link integrates an existing multi-function display with Mercury engine(s) to place information and control at the driver’s fingertips. Its user interface is easy to navigate, and it integrates chart-plotter, sonar, radar and more into one display.

VesselView Link is compatible with all SmartCraft-capable Mercury outboards (2004 and newer, 40hp and above).

Name Link
300hp Outboard Specifications Download
250hp Outboard Specifications Download
225hp Outboard Specifications Download
200hp Outboard Specifications Download