Mercury 75 hp 4 stroke 2016 2B226236 / ME75ELTT4S

by Dave
(Ada, Michigan)

Engine begins to run rough, more like cutting out after about an hour of running at around 2500-3000 rpm, smooths out if I lower eng. speed right away or let it cool down for a while, however, I don't believe the eng. is running hot, pumping plenty of water. Otherwise runs fine.

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