[Ducati] New guy needs Clutch Help

[SSG Lemire]

Hi all,
  New guy to this list, Friends of mine on the Hawk list told me about it.

I have a 1992 900ss

Long story as short as I can.

I recently had a really hard lever pull with the clutch, 1st pull was kinda 
hard, 2nd was worse and 3rd nearly inpossible, then the bike never fully 
went out of gear, limped it home (this was after a day of riding and 
noticing some clutch slip , I would get on the gas and it would pull hen all 
of a sudden full go into gear)
I was't sure what it was, took the clutch cover off and all looks good, 
opened up the master resivoir and the fluid is black and looked a little 
low.  Took the slave cylinder off and there was some gunk in there, seems 
the little rubber boot keeping grease and grime off the bar was ripped.  So 
I am thinking there was some dirt stopping the cylinder from pushing the 
rod.
I want to replace the slave cylinder, can I use one from a 748/916?  What 
does everyone reccomned?
  While I am at it I have a remote resevior and lever from a 748 that I want 
to put on, I need the bolt and plunger for the lever,  Anyone know where I 
might get one?  Anyone got something for sale?  Also I have to replace that 
rubber boot near the slave cylinder, where might I get one of those (my 
local dealer is useless and would take weeks to get me parts at high prices, 
ebay is good but I can't find what I am looking for and I have my first 
trackday in 3 weeks!)

Thanks in advance,  Michael