Here is all you wanted to know about this kit, that will procure you a wonderful clutch...
I am the owner of a 907ie since 1990, and I realized quickly that its dry clutch, similar to our ST's clutch, is really noisy when no gear is engaged, but is also noisy when you accelerate in town, especially when the engine is hot.
By chance, I read, in a dutch-speaking motorbike neswpaper, that a Ducati dealer, based in Aarschot (Motomania) had set up a kit that solves the above problems. I ran there and ask him to install a kit on my bike. Really satisfied, I realized that my clutch was now how it should always have been, and I ride 40000 km morewithout doing anything to my clutch. My bike has now 70000 km and nothing has been changed in the original clutch, modified with the kit. Meanwhile, I convinced a friend to buy an ST2, and he immediately wondered about his clutch behaviour : he was even ready te sell his bike, because of the clutch... I convinced him to install this kit, and he is now happy with his bike...
I bought an ST4s one year ago, and I could realized, after 10000 km, that the clutch was becoming noisy. I went back to Bart Grauwels shop (Motomania owner and also engineer) to have the kit installed on my ST4s. As I know you're interested by this kit, here is a small installation manual.
I can certify one thing : the result of the installation is still amazing, and I still cannot understand why Ducati doesn't install it before delivery, although they know it and it would be that much expensive. For those who are interested by this kit, you have two solutions : go to Matomania, 30 km north-east of Bruxelles (Belgium), otherwise buy it at Motomania by phone or mail and install it yourself. The installation manual is below.
First, what is the exact reason of the noise and how is our clutch built ? it's made of a clutch housing (the outside element tied to the transmission) and of a nut (the inside element tied to the engine), of alternate smooth plates and furnished plates, which tie the clutch housing and the nut, and then springs (who bring progressivity in the action) which are fixed on the pressure plate. Ducati as chosen for our ST's a dry system, when some Mostro's and all the japanese bikes have got a wetclutch working in the engine oil. In such a cas, the behaviour is smoother and more silent, but all the plates wear bits go into the engine oil.
On our bikes, there is a large gap between the plates and the clutch housing, when they are not pushed by the pressure plate. This gap allows the plates to vibrate against the clutch housing, damaging the plates and the housing. Motomania kit sets this gap to zero, which eliminates the noise, even on neutral and when selecting gears. According to Bart, it also enhances the longevity of all the clutch mecanism by 2 !
This kit is made of three parts, engineered by the guru himself (from left to right on the photo below) :
The installation is performed as indicated below. You do know need any particular tool. In the following text, "outside of the clutch" means towards the clutch cover, "inside of the clutch" means towards the engine. :
Total duration of the installation : half an hour for a belgium guy, a little bit more for a french guy ;-)
Marc POELS alias Sleop