motor for a mbx5r

hey i just got a mbx5r today and i was looking at motors for it. i was thinking of a 7xl motor. i dont really want to spend that much on a neu motor yet. would the 7xl motor run good with out getting to hot?

this was my planes for it

mbx5r
7xl motor
4cell lipo
mmm
was going to use a 16t pinion. (dont know how many teeth the stock diff gear is but im guessing 46t)

thanks