I want to change the cluth plates om my ZX9R. What i do not know is how will i know if the cluth plates are worn out and needs to be replaced. When i put the plates back how must i stack them and must it be all in one line or do i put the last plate to the left as some pictures show. And what i whant to ask also is when the plates are all out and you turn the inside wheel backwards the whole outer drum is also moving. I`m sorry for my english i am afrikaans