Board Thread:Episode Discussions/@comment-25319479-20170920093317/@comment-25122992-20170923163419

Well, I don't recall anyting particular that interferred in Naruto's chakra control except for Oro's seal. It's just that this seal didn't allow Kurama's chakra to sip into Naruto's chakra network according to the design of Eight Trigramms Seal, thus creating a disbalance.