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Mariner Alarm Intermittent beeping Mariner 25 bigfoot, help me please

Marinee

New member
Hi,

right after after putting my boat in the water this summer and starting up the outboard engine for the first time I got an alarm, an intermittent beeping (i.e. not a long beep). It is not just a few beeps, but it continues intermittently until I turn the key to off/turn off the engine.

It starts beeping while running, at different speeds/RPM, and it also reduces the RPM automatically while doing so. I can re-start the engine and drive at lower RPMs and it will run, but the beeps keep coming back, seems more easily at higher RPMs.

Before summer I changed oil, and I over-filled a bit, but I have removed the excess. I have also changed oil filter.

The outboard engine is a Mariner 25 Bigfoot, I believe year 2004-2006.

What could be wrong here? I think the engine is getting hot to the touch, but I think overheating alarm would be a long beep?
Any ideas?
 
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