These 25 HP 4-stroke engines may be low-powered, but they have a large displacement. With plenty of torque and power delivery, these outboard engines have the power you need to plane, with immediate throttle response and rapid acceleration.

Thanks to Mercury’s multifunctional transom control, fitted as standard on the 25 HP 4-stroke models, you can operate the boat with one hand behind your back. The design of this revolutionary transom control allows you to operate the gearshift, stop, throttle control, tilt positions, friction and steering with just one hand.

Mercury’s industry-leading Electronic Fuel Injection (EFI) system, available on our 25–30 CV and 30 Bigfoot models, features an electronic control module that measures the timing and quantity of fuel and injects it into the engine, providing easy and consistent ignition, faster throttle response, increased fuel economy and improved overall performance.

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