2019 Mercury 150 four stroke outboard

by Josh

Bought a new tritoon, ran it through the 10 hour break in and then started having issues with the motor losing power and shaking, I get a constant alarm beep every second while the issue is going on. I can let out of the throttle and bring it right back up to speed and it gets out of it. Happens very erratically straight aways, turns. Took it in and they hooked it to the computer and is coming up as overheating issue. When it happens I still have water flow through the motor, definitely not overloaded as it will happen with 2 people or 10. Anyone know what this could be? Thanks

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