I am here to try to make it as easy as possible to install the rom stock in our beloved Harpia!
First download the .zip file below and extract the folder.
Then download the rom stock of your choice and extract all the files into this folder.
Then on the phone enter fastboot mode and connect the cell phone to the PC.
Then there are two options, if you just want to install the stock rom and leave the bootloader unlocked open the file "Retail_AS.bat" and wait for the process to finish, if you want to install the stock rom and lock the bootloader open the file "Retail_AS + lock.bat "and wait for the process to finish.
Remembering that to do this process you need to have the bootloader unlocked if you do not have it, there are several teaching sources.
And you also need to have Motorola drivers installed on your PC (http://www.motorola.com/getmdmwin).
Here is the link from the last stock 7.1.1 with March security patch for whoever interests!
Here is the links of stocks if i miss some model just ask and i bring`t over.
XT1600 - https://androidfilehost.com/?fid=24686680535467168
XT1601 - https://drive.google.com/file/d/0B6D...dhX2hzamM/view
XT1602 - https://androidfilehost.com/?fid=529152257862712062
XT1603 - https://mega.nz/#!6gNj1YZD!l-T9AbUlc...j0_BX1tlwRtcuQ
XT1604 - https://depositfiles.org/files/qs4oo0x4x
XT1607 - https://depositfiles.org/files/ifxrww92p
XT1609 - https://androidfilehost.com/?fid=745425885120750533
Forgive my English.
I hope I have helped as much as possible!