| Two reasons for a dry clutch, one is the reduction in drag as the plates are not spinning round in an oil bath, two is that as the plates wear the debris is not carried around the engine in the oil and therefore passing though all the bearings and wearing faces etc (which is a bad thing).
I think the ST2 and ST4 share the same set up, the ST4S has alloy friction plates (which i am now running in my ST4, they are so much quieter). All three bikes run a steel basket.
I'm currently on over 15,000 miles with my clutch but i've had to clean it out at least three times incuding de glazing the steel plates twice, i dont think there is too much more life in it. Wet clutches are pretty much good for the life of the bike these days.
Amongst other Ducati "characteristics" the dry clutch is one that i would gladly do away with! | 
11-Sep-2005, 11:15 
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