Well I thought it might be the impeller,But I bought a new one and pulled the current one out and it was 100% looking great. So thats not my problem. I do in fact have a ir temp gun,,I will take a few tests and see what it says. Think it could be the thermostat? I never put one in,,or know when the current one has been changed last. I guess it would be a good idea to change it out anyway,as a cheap an easy diy fix.
I see there is a water pump on there,Im assuming if it was bad,,there would be belts squealing or breaking and maybe the water pump itself growling from a bad bearing or something,,there is no sound coming from it,and seems to be fine. So I assume its not my water pump?
So apart from the risers,,nothing left in a cooling system. So if I replace the stat. and still see irregular temps,,more than likely its my blocked up risers huh? "I will pay more attention by feel and ir temp gun to see how they are on next run"
Again it's not over heating just seem's to run hotter than usual,Like when idling at the dock and it runs 5-10 mins the temp from just sitting there reaches close to the middle of the gauge. It also seem to cool a bit as I pick up speed on the lake,,like if I sit there and idle in the lake and let it reach the middle of the gauge and then take off,,the temp will get cooler then after awhile reach back up to around the middle of the temp gauge "maybe a tad past" but not close to 3/4 mark or in the red danger zone on the gauge.
So I can eliminate the impeller, I'll check the temps of risers and probably replace the stat. after all that I guess it's time to check the risers,,If it is the risers,Can they be cleaned out,,or is it just time to replace them?
_________________ 1999 Four Winns 245 Sundowner
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