I have a brand new 2000 leftover 150 mer. carberated. Warning buzzer goes off while trolling at 5 mph. If you sit ideling you get no buzzer. Running no buzzer. Water seems hot coming out. Any answers? What should the tempertures of these thermostates be? Or could it be a defective water pump.<br /><br />To ODDD1<br /><br />Thank you for your response maybe I didn't give you the full information. Thanks again.