hydralic clutch?

my friend had a ktm 105 it had a hydralic clutch u could pull it in with one finger but i dont think its worth it realy
 
i ran one on mine, i had the hd springs with the stock cable it was a lill tuff but it was nice witht he hydro clutch, but it did start to leak out the slave cyli so i sold it off. i dont think ill get another i had 2 of them leak the one was damn near new lol.