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FourStroke

Mercury four-stroke outboards deliver unmatched performance, efficiency, and reliability—now with 6 years of warranty for total peace of mind.
Explore FourStroke Outboards

Game-Changing Power, Backed for 6 Years

Forget everything you know about four-stroke outboards. Ours change the game. Completely. With a combination of performance and efficiency that will take your time on the water to a whole new level. World class engines, world class support, that’s what you get when you buy a Mercury. All recreational Mercury outboard models from the 2.5 – 350hp range now come with 3+3= 6 years of warranty coverage.

Intuitive, Innovative Features

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Adaptive Speed Control

Adaptive Speed Control maintains a desired rpm regardless of changes in load or conditions without adjustments to the throttle lever position – a first for the outboard industry.
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Smooth and Quiet

The V8 and V6 FourStroke engines are quieter and smoother than the leading competitor.
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Easy to Maintain

The exclusive Top Cowl Service Door simplifies routine maintenance, letting you check or add engine oil without removing the top cowl. An hour-based maintenance schedule decal is located under the cowl, providing a quick overview of routine maintenance.
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Industry-Exclusive Battery Management Technology

When battery voltage is low, engines will automatically increase idle rpm to boost alternator output and charge batteries to the proper level, protecting batteries from draining while trolling and operating electronic devices.
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Ample Charging Output

FourStroke models feature a robust alternator that delivers 20 amps net of charging power at idle and 30 amps total at wide-open throttle.

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