2025 Mercury Marine® SeaPro 300hp CMS Base

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Description

2025 Mercury Marine® SeaPro 300hp CMS

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.

Features may include:

Adaptive Speed Control
  • Maintain engine rpm despite changes in load or conditions, with no throttle adjustment.
    • 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.

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    Specifications

    ManufacturerMercury Marine®
    ModelSeaPro 300hp CMS
    Year2025
    ConditionNew
    Trim NameBase
    Generic Type (Primary)General
    Engine Power300 HP (221 kW)
    Engine TypeV8
    Displacement4.6L
    AlternatorWith Idle Charge: 85 amp (1071 Watt)
    Dry WeightLightest model available: 527 lbs (239 kg)
    FeaturesSmartcraft Compatible: Yes | Recommended Fuel: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    ColorsBlack