Maintain engine rpm despite changes in load or conditions, with no throttle adjustment.
SeaPro 200-350hp
5.7L V10, 4.6L V8 and 3.4L V6
Every day, even in the toughest conditions, SeaPro high-horsepower outboards are built to tackle the biggest jobs. They feature heavy-duty components designed to work as hard as you do, with unmatched corrosion resistance to go wherever the task takes you.
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Intuitive, Innovative Features
Adaptive Speed Control
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.
Easy to Maintain
The industry-exclusive top-cowl access door eliminates hassle, allowing you to check or top off oil without removing the cowl. And gearcase oil can easily be drained from the torpedo.
Heavy Duty Gearcase
SeaPro gearcases are validated at three times the lifespan of a recreational gearcase. The V10 SeaPro engine features an all-new rugged gearcase with advanced hydrodynamics for control, efficiency and durability.
Reliability & Durability
High-horsepower SeaPro outboards generate ample torque at lower rpm levels, enabling operators to work their outboards hard without placing excess stress on the engine.
SeaPro Performance Data
Exceptionally Smooth & Quiet
Precision-tuned intake and exhaust, combined with fuel-injector covers, minimize noise for more comfortable all-day operating. V8 and V6 models are 15-30% quieter than a leading four-stroke competitor, while the V10 model is 28% quieter at cruise than a leading competitor.
Lightweight & Compact
Each SeaPro Conventional MidSection (CMS) 200-300hp model is the lightest engine in its class and is built to handle the demands of commercial applications.
High Displacement
V10 and V8 SeaPro outboards boast class-leading displacement, while the 200hp SeaPro outboard features a brawny 3.4L V6 powerhead with plenty of muscle to get the job done.
SeaPro Advantage
Efficient All-Around Performance
A host of efficiency-enhancing features such as Advanced Range Optimization (ARO), a closed-loop fuel system and a hydrodynamic gearcase optimize fuel economy so you can get more done on every tank.
Compact Flexibility
V10, 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.
87-Octane
SeaPro outboards are calibrated to deliver full performance on 87-octane fuel, while a boat-mounted water-separating fuel filter kit helps prevent fuel-related issues.
High-Output Alternators
To help support a heavy load of onboard accessories, SeaPro outboards feature powerful alternators, including a 150-amp alternator on the 350hp engine.
Specifications
Repower Your Boat with a New Outboard
It’s simple. When you repower your boat with a new Mercury outboard, you get to keep making memories in a boat you love, while enjoying the reliability, performance and efficiency that a new engine brings.
SmartCraft® The Power to Do More
Mercury SmartCraft® digital technologies refine the entire boating experience to ensure every day on the water reaches its full potential. From intelligent gauges and displays to advanced systems that make boat control easy, SmartCraft gives you the power to do more with your time on the water.
SmartCraft compatibility is available for Mercury engines 2004 and newer, 40hp and above; 2022 and newer, 25hp and above. Features vary based on controls and engine models.
Warranty & Maintenance
Warranty Coverage
Mercury makes world-class marine products backed by world-class warranties.
Maintenance
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