Board Thread:Theories and Speculation/@comment-25139119-20150522183055/@comment-5407586-20150522200233

Mecha Naruto wrote: Kurama Mode and Tailed Beast mode are the same thing I know I'm being technical here, but you're wrong. Kurama Mode and Tailed Beast Mode aren't the same thing, though they appear at the same time and share the time limit.

Kurama Mode is the shroud around the jinchūriki's body. Tailed Beast Mode is the full transformation into the tailed beast, in this case, Kurama.