Why did Minato seal Yin chakra?

It is true but Minato specifically sealed half of Kurama for a specific reason. He wanted Naruto to gain a compatibility with the kyubi’s chakra and thoroughly tame it.

Did kushina teach Minato sealing?

Kushina was very talented and knowledgeable in the art of fūinjutsu; which she later taught to Minato. From her clan, she inherited sealing techniques to seal a tailed beast within a target, which could also be enhanced.

What happened to Minato and Kushina’s baby?

However, the tale of Minato and Kushina is a tragic one. With Minato installed as Hokage and Kushina pregnant with the couple’s first child, things could hardly have been better for the budding family. Unfortunately, on the night of Naruto’s birth, an invader attacked the village, releasing the Nine Tailed Fox from Kushina during childbirth.

Did Minato and Kushina seal the Kyuubi?

But if you look more detail, actually in Episode 432 Kushina seal half of the kyuubi on her own and minato did the hakke fuin to seal the other half in Naruto. Which make a lot of sense, do you know that after bijuu extracted from a jinchuriki they can get back to alive if the bijuu reseal? Like what Minato did to Naruto when he lose Yang Kurama.

Why did Minato only seal half of Kurama into Naruto?

As for why he only sealed Half of Kurama into Naruto, As per This answer, He couldn’t seal all of Kurama into Naruto. Minato’s Wiki entry notes that it was because Kurama was too powerful to be sealed into a newborn infant.

Why did Minato weaken the Nine-Tails’ Jinchuriki?

However, normally the Nine-Tails’ Jinchuriki only purpose was to keep the beast surpressed, that was their entire function. The village never even considered using something as powerful and dangerous as the Nine-Tails’ chakra. That is the entire reason Minato weakened it, because it would make it less dangerous and easier to control.

https://www.youtube.com/watch?v=x-ycqeD-uYM