Once again, I’m looking for the wisdom of the RCU forum community. Thanks to all who have replied to my previous posts. I have more questions:

I think one of my motors is sounding with a higher pitch than usual. Is this a bad thing?

Is there some type of maintenance I should perform on my stock motors?

Can I break them in even though my heli has had more than 40 flights? Or are they already “broken in” because of all the use and abuse?

Also, will a hot motor drain the battery quicker than a cool motor?