Understood. It was never an issue before so I’m curious why it popped up today. Not overheating anymore but now I’m hoping o haven’t been frying my impeller every time I ran it like that.
Update: ran it on muffs on the outdrive and having no temperature issues. Must be something wrong w my top down system. Crisis averted. An overheating boat is scary.
I don’t run it w the RPMs at 1300. Just at idle before and never had any overheating issues. I also have a top down water system and run the hose through there.
I did verify. Why would it overheat on land but not in the water? All I did was change out the thermostat and move a gasket but now the impeller is bad? How would that not have been picked up before when I had a different thermostat that was stuck open?
Update: replaced the new thermostat and I did have the top gasket in the wrong spot. Got up to temperature under load and stayed there.
However, it started to overheat when I got it home and used a hose - never done that before. Is that normal?
I did put a layer of permatex on the bottom between the manifold and the first gasket - I wonder if that is affecting the communication. I’ll take it apart tomorrow and investigate.
I will do both of those and get back to you. I’m also going to make sure I didn’t mess up the gasket on the thermostat placement. Thank you in advance.
I have a 2007 Mercury engine that I just replaced the thermostat in since it wouldn’t reach operating temperature. It reached 160 just fine in the driveway but won’t get past 120 under load on the water still. What else could be causing this issue?
