[HELP]i want system.img,etc for KF2[PLEASE]

id stuck on boot logo to try install cm11, and i found that to restore original boot system, but i backup in my kindle and cleared in user directory, so i dont have them:(
i was looking for, but couldnt do, they arent anywhere
who can upload for me "system.img","boot.img","recovery.img"?
or tell me where are them
PLEASE!!