BL E-revo MMM gearing question

Hey guys, took my BL E-revo out yesterday, it ran like a dream. I had to take it out 3 different times because the motor got so hot (MMM 2200kv), to the point of where i almost burned myself touching the motor. The strange thing was that by batteries were very very cool. The fan on my MMM Esc went on twice. Does a hot motor and cool batteries mean under or overgeared?
Thanks!