I removed the head and it was full of deposits which I could imagine severely restricted flow and is possibly the last cause of the overheating problem.
Any best practices for cleaning the water jackets down deep in power head?
Also, what is that black rubberlike seal-looking thing I fished...
For the first time ever, the overheat buzzer activated. Also note that I rarely really run the motor but do crank it up on occasion just in case I get the opportunity to fish. I removed the cylinder head cover and found the thermostat and cover/head full of deposits (BTW, this has been a salt...