Cylinder Head Temperature. The Rotax engine uses a fluid to cool the four cylinder heads.
I'm still struggling with this. A suggestion from Ronin5573: "The awos said 26deg cel or about 76 deg f. Not a hot day. I would have to agree that the problem is still there. Your CHT are coming up much faster then your oil. I don't think you plane has the coolant thermostat but that would be my first guess. Considering you just changed the coolant I would suspect maybe replacing the radiator cap on the tank. Make sure its the 1.2 bar or 17.4 psi. Also when you remove the cap look into the tank and that first inner lip, make sure its clean. Sometimes you will see some black residue from the seal from the cap. If you do get some light sandpaper and remove that. Could also be a bad spring on the cap. I have herd that if there is a small leak, or better way of putting it is if the cap allows air to pass then it messes up the flow of the coolant and almost stops the flow. Kind of like having air in the system. they are about 80-to 90 bucks to replace. Just a suggestion" ~http://www.scflier.com/topic/1362-cht-high/
All good suggestions but unfortunately all tried. Perhaps its time to replace the oil cooler or water cooler?
It really gets hot in Florida. I need to find a solution.
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