There is a 100% chance that one or more of your other motor mounts are bad.If my right motor mount was damaged what are the odds that the left one will be damaged also....
I replaced the front and rear and passenger side, but I have not done the drivers side...that one is the hardest to get at. After replacing 3 of the 4, the car runs fine so I am not worrying about the drivers side mount.
Here is a thread on my front and rear mounts: Lurching issue.....bad motor mounts