Upon looking at my duck boat before the season ,
i found that it was overheating ,
i ordered a waterpump kit and a new thermostat and installed them myself
test run the motor and it was still running hot although it was pumping water out the back
i then removed the thermostat wich was still open at the time , and with the cover off started the motor to ensure that it ws pumping plenty of water , and it was
i left the thermostat out put the cover back on and it still overheated ,
i then removed the head and replaced the gasket. the water jackets look very clean due to it being a fresh water motor
started the motor and still the same problem hot hot ..
I have plenty of water flow out the pisser tube .
At this time i have done all i know to do , any ideas