Naruto even without the Cloak can use the Bijuu's abilities like the Rasenshurikens, Those enormous amount of clones he created against Kaguya and still has the Speed to push back JJ Madara.
Not to mention his Reflexes would be really good.
Kamui Snipe is evaded by Naruto's Speed/Sensing the build up to it or Clones can help out against it since Kakashi won't know which is which.
Kamui Shuriken is evaded by Foot Speed or they get stopped by clones or Rasenshurikens.
Naruto creates the enormous amount of Clones he created against Kaguya that will keep attacking Kakashi until the Five Minute Mark is over and the Intangibility wears off and Kakashi gets killed.
That's irrelevant when Kaguya was stomping through Naruto's clones army (albeit with some difficulties) and giant rabbit form Kaguya was negging clones with her chakra arms. Kakashi's dash combo'd with Kamui phasing was fast enough to let him hit her, and Kamui Shuriken/perfect Susanoo negged the same chakra arms that Naruto's Kage Bunshin couldn't defend from.
Not at all. Speed is not a chance even for Naruto: Naruto with his speed could barely react and avoid Kaguya's teleportation portal (
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) while Kakashi could use long range Kamui with a warp that was far faster to Kaguya's teleportation portal, to the point that he warped it before it could teleport the bone projectile on Naruto's face (
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)(
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). Using clones doesn't mean that Kakashi will be fooled, Kakashi is an excellent Kage Bunshin/Raiton Kage Bunshin user on his own (fooling Itachi and Pain of all people) and it's smart (maybe the smartest fighter in the ninja world) and with excellent reflexes. Naruto might be able to fool even him but it's a giant "maybe", and that's if he could.
Every Kamui Shuriken makes an instant Kamui warp that is the size of the Perfect Susanoo itself, so at least a hundred metres (
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), and they are far faster than Kaguya's chakra arms (
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)(
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) (as they are launched after the chakra arms are already moving against Kakashi and the others and still they manage do counterhit them midway), the same chakra arms that were too fast and powerful for Naruto's Kage Bunshin and were said to be really really fast from Rikudo Naruto and Rikudo Sasuke (
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)(
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); Kakashi can spam at least four Kamui Shuriken at once. So Kamui Shuriken >>> Naruto's clones, as strong as they are.
Kakashi defeats him with Kamui phasing + long range Kamui, or maybe he can exploit Kamui Raikiri, but due to Naruto's own speed and enhanced reflexes, it could be a challenge. DMS Rikudo Kakashi >>> not full power Rikudo Senjutsu Naruto.