I have a 02 yahama 225 four stroke and it is throwing a over heat alarm so did water pump and that wasnt it then thermoststs and again not it so blew out lines. forgot to say only at idle and good when your on the throtel. dropped lower unit to check and was fine and noticed in the exaust was rotten so tommrow am tearing down and getting to problem. anyone else have this problem let me know also changed pressure valve boats suck.
