Board Thread:Naruto Discussions/@comment-33485854-20180907234534/@comment-26411800-20180923172129

V1 and V2 are referred as cloaks. KCM1, KCM2 and KM are modes.

My theory is this;

1. Kyuubi Modes are ninjutsu while, Tailed beast V1/V2 Cloaks aren't ninjutsu or Better put are not ninja skills.

2. Kyuubi chakra Modes is Naruto having a dominant and more specific control over the Kyuubi's power. The Kyuubi's red chakra is turned yellow (like Naruto's chakra) to proves this. With Chakra cloaks, the dominant control goes to Kurama with Naruto having the less of it.