how hot it too hot

[makana59]

Hey guys,
Just got my BL 9L installed today and was wondering how hot the motor shouldnt get... I remember the stock brushed motors someone said that you should be able to touch it with your fingers and not burn them off..atleast for a few seconds. Is it suppose to be that way for a BL. I ran it and it got pretty hot... just wondering. Is there a thumb rule or something or do I have to buy one of those thermometers to tell me. If I do how hot should be the hottest...again this is for a feirgo 9L. THanks guys..