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Joystick Piloting for Outboards and Electric Steering 
Digital Throttle & Shift Controls
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8M0215646_Mercury_SeaPro Brochure_Web.pdf
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ID # 31142914
Mercury - SeaPro 300HP CMS
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Overview
Specifications
features
performance
smartcraft
resources
Videos
Documents
SeaPro 200-350hp3.4L V6 and 4.6L V8Commercial 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. |
Model
SeaPro
Category Name
Outboard Engines
Year
2024
Sale Type
New
Manufacturer
Mercury
Name
SeaPro 300HP CMS
Horsepower
300
Engine Type
V8
Displacement (L)
4.6L
Alternator Amp / Watt
85-amp (1071 Watt) with Idle Charge
Dry Weight *Lightest Model Available
527 lbs / 239 kgs
Features
Adaptive Speed ControlMaintain engine rpm despite changes in load or conditions, with no throttle adjustment. |
Heavy-Duty GearcaseSeaPro 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. |
Industry-Exclusive Battery Management TechnologyWhen 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 MaintainThe 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. |
Reliability & DurabilityHigh-horsepower SeaPro outboards generate ample torque at lower rpm levels, enabling operators to work their outboards hard without placing excess stress on the engine. |
Performance
Exceptionally Smooth & QuietPrecision-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 & CompactEach 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 DisplacementV10 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. |
SmartCraft
SmartCraft® The Power to Do MoreSmartCraft® 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. |
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SeaPro outboards with the Advanced MidSection (standard on V10 350hp; available for V8 300hp) are compatible with Mercury Joystick Piloting for Outboards (JPO) for multi-engine applications as well as the latest Mercury Electric Steering system. JPO provides fingertip control to move forward, sideways or even rotate in place for easy, confident maneuvers in tight spaces. Electric Steering enhances handling and responsiveness for exceptional vessel control, particularly when using JPO. The Electric Steering system’s advanced power-saving design reduces power consumption by more than 50% over the previous electro-hydraulic steering system, leaving more power for running other onboard accessories. |
Standard with V10 and V8 AMS SeaPro outboards and available for V8 and V6 CMS SeaPro outboards, 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 can help make any job even easier. |
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Videos
Model
SeaPro
Category Name
Outboard Engines
Year
2024
Sale Type
New
Manufacturer
Mercury
Quantity
0
Name
SeaPro 300HP CMS
Horsepower
300
Engine Type
V8
