Why does my transmission rattle?

What is your question?

I replaced it (may 2,2015) revert thing went smooth. I bought the original nkk clutch kit for it. I put everything back together like I said it all went smoth. Until I turned it on and the son of a gun is doing the samething all over again !! Like what the heck is going can someone please help me it's driving me nuts!!!! And the flywheel is good ! Please help and thanks in advance!!