This is the most easy method I´ve found so far.
Just make sure to enable Install from Unknown Sources.
How to Root Motorola Razr D1 XT914:
1. Install latest version of Framaroot and launch the app
2. Select "Boromir", then restart phone.
Now the phone is rooted! congrats and enjoy using advanced options and apps like Adfree, Titanium Backup and else.
You can check if it worked by looking for Superuser in your phone's app list
and by the way, remember to allow root access only to apps you really trust.