Turbo Levo Motor Temperature

When I finished my MTB ride today, I checked the Mission Control App, and the battery temperature was 90 degrees which was the current temperature of this hot day. The motor temperature showed 136 degrees. Is this a bad thing? Does anyone know of a temperature that would be too hot for operating. Note: The bike operated normally at this temperature when I quit. Suppose I had continued riding for another 2 miles or so. Would the motor shut off before damage occurred? Any info would be appreciated.
Thanks, Rich
 
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