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Writer's pictureMike Hill

Mercury Pro Max 225 HP Spec Sheet

Updated: Sep 16

The Mercury 225 HP Pro Max V6 is a high-performance 2-stroke outboard engine known for its power, speed, and reliability.


Here are some key details:


Engine Specifications:

  • Horsepower: 225 HP

  • Engine Type: V6, 2-stroke

  • Displacement: 2.5 liters (153 cubic inches)

  • Bore and Stroke: 3.50 x 2.65 inches

  • Fuel System: Electronic Fuel Injection (EFI)

  • Gear Ratio: Typically 1.87:1 or 1.75:1, depending on the model

Performance:

  • The Pro Max series is designed for high-performance applications, often used in bass boats, performance boats, and other high-speed vessels.

  • It features a lightweight design, providing an excellent power-to-weight ratio.

  • The engine delivers strong acceleration and top-end speed, making it a favorite among performance enthusiasts.

Cooling System:

  • The engine uses a water-cooled system with a thermostatically controlled water pump to maintain optimal operating temperatures.

Ignition System:

  • Features a reliable CDI (Capacitor Discharge Ignition) system, which provides consistent spark and reliable starting.

Fuel Type:

  • Runs on premium unleaded gasoline with a recommended octane rating of 91 or higher.

Lubrication:

  • Uses a 2-stroke oil injection system, which automatically mixes oil with the fuel for lubrication.

Durability and Maintenance:

  • Known for its robust construction and durability, the Pro Max 225 is built to handle the demands of high-speed boating.

  • Regular maintenance, including checking the oil injection system, water pump, and spark plugs, is essential to keep the engine running smoothly.

Applications:

  • Ideal for bass boats, performance boats, and other high-performance watercraft.

  • Popular among competitive anglers and speed enthusiasts for its combination of power and reliability.


The Mercury Pro Max 225 is highly regarded for its performance capabilities, making it a top choice for those looking to push their boats to higher speeds while maintaining control and reliability.


The Full Pro Max 225 Owner's Manual is available for free PDF download right here:



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