Overheat alarm on Evinrude

[BigAl331]

Originally Posted by THEFERMANATOR

And here is the fuel restriction sensor, you can also see the VRO amphenol in this one just to the right of the starter.

Sorry to bring up an old thread but I was hoping it would help me out. Instead it has raised another question that I hope you guys can help me with.

When at full throttle I get a buzzer that seems to be fuel related. If I slow down to about 1/2 throttle or less the buzzer will go away. The last time I took the boat out and the buzzer went off I immediatly went back and felt the collant discharge from the motor. It was the same temp as the surrounding water, so I'm assuming that it's not heat related.

Now to my question, is the fuel restriction sensor located somewhere other than the motor? I just looked all over the motor for a sensor that looks like the one above and couldn't find anything.

Fuel line comes in to the fuel pumps (straight to the upper pump). Then to the lower and on to the carbs. I don't see anything that looks like it would be picking up a vacuum from the fuel line. The is nothing in the incoming fuel system that has two wires coming out of them but the start/choke solenoid.

Any suggestions?