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Author Topic:   225 mercury optimax

cyndee posted 10-02-2010 04:40 PM ET (US)
What does an intermittant continous whistle mean on a 225 mercury optimax mean

RevengeFamily posted 10-02-2010 08:07 PM ET (US)
I have a 1999 225 Mercury Optimax.
When does the engine go into alarm mode? Are you underway?Fast or slow? Working hard to get on plane? On plane? We need a bit more info to really help you out...
From what I can discern from your post it sounds like an overheat. What type of guages do you have onboard?
Norm
themclos posted 10-02-2010 08:17 PM ET (US)
I have a 2002 225 HP Optimax. If the alarm 3 or so beeps every couple of minutes, it sounds like the "water in fuel" alarm.
Are you hearing this continually once the motor has been running a few minutes?
This alarm is notoriously false. If you disconnect the wire from the sensor for a few minutes, then reconnect it, you can see if this clears the alarm.
Dan
tmann45 posted 10-03-2010 10:11 AM ET (US)
If it is a whistle instead of a buzz, as in alarm buzzer, I would suspect possibly an air leak in the compressed air system. If the sound is from the helm area, I would suspect it is an alarm, if coming from the engine area, it is something mechanical, if it is coming from the dock, it...

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Author	Topic: 225 mercury optimax
cyndee	posted 10-02-2010 04:40 PM ET (US) What does an intermittant continous whistle mean on a 225 mercury optimax mean
RevengeFamily	posted 10-02-2010 08:07 PM ET (US) I have a 1999 225 Mercury Optimax. When does the engine go into alarm mode? Are you underway?Fast or slow? Working hard to get on plane? On plane? We need a bit more info to really help you out... From what I can discern from your post it sounds like an overheat. What type of guages do you have onboard? Norm
themclos	posted 10-02-2010 08:17 PM ET (US) I have a 2002 225 HP Optimax. If the alarm 3 or so beeps every couple of minutes, it sounds like the "water in fuel" alarm. Are you hearing this continually once the motor has been running a few minutes? This alarm is notoriously false. If you disconnect the wire from the sensor for a few minutes, then reconnect it, you can see if this clears the alarm. Dan
tmann45	posted 10-03-2010 10:11 AM ET (US) If it is a whistle instead of a buzz, as in alarm buzzer, I would suspect possibly an air leak in the compressed air system. If the sound is from the helm area, I would suspect it is an alarm, if coming from the engine area, it is something mechanical, if it is coming from the dock, it...