Might be an obvious comment, but how are you determining "hot".
Thumb?
Thermal protection on the ESC?
IR temp probe?
One and two are about as inaccurate as it gets, I've seen thumb measured hot motors at only 60 degrees, and the speed passion thermal protection is comical (at least 30 degrees out, if not more. I switch it off)
If it's been measured by an IR probe (or similar) just ignore me.
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