TwoStroke 40: Marathon Motor
Mercury mid-range TwoStroke not only runs smooth, but runs cool too! Each model features high-volume, low-pressure, floppy-vane water impellers to help keep operating temperatures down… even in heavily silted or salty estuarine waters. Plus there’s a water-separating fuel filter to keep debris and water out of your engine.
Across the range you’ll find an array of features that help keep your boating experiences more enjoyable and trouble-free.
Largest engine capacity displacement
In their horsepower category, giving you more low-end thrust.
Variable-ratio oil injection system
Reduces oil consumption at idle speed, improving efficiency and providing smoke-free running