over heating problem HELP

[Marvin]

Over geared is a distinct possibilty - use this post to troubleshoot:

Originally Posted by Marvin

It might be worth a try, though also bear in mind, if the motor is hot, but the ESC and batteries are cool, that points to undergearing. If everything is hot (batteries, ESC and motor), it points to overgearing.

[Hyperarm]

Maybe a change in equipment has resulted in a loose connection?

If a solder joint has weakened or a bullet re-soldered badly then maybe this is the cause of a single wire to de-solder?