Tutorials are for tutorials, not requests, thats why there is a tech section to ask questions.
(it used to be called a How-To, but people kept asking how DO...) dont mean to bag on you but it was a free shot.
Anyway lucky for you just do the opposite. You have to do it this way to get the cush drives off. And try not to break em replacements dont come by that easily. I THINK you need a 12mm allen on one end and a 13mm socket on the top end. I honestly cant remember. but most people dont use that type of size so be prepared to buy one.
To remove the asssembly there are 2 pinch bolts that hold the eccentric. Release them and use a punch or some sort of drift (i would avoid a screw driver but it does get it done, however it will eventually sheer the posts off) or if you do have a C spanner handy...losen the chain. Once the chain is able to be lifted off the sprocket, you can remove that big nut and slide the whole assembly off. Reverse for install.
Ducatitech.com "HowTo" Install Quick-Change Sprocket Carrier
