I don't think it's a fit. The zx10 is 300mm, 80.5mm inner hole, 0 offset
The 94 and up connie is 300mm, 61mm inner hole, 13.5 offset
I have some rotors from this seller that are working nicely.
http://www.ebay.com/itm/Front-Brake-Disc-Rotor-Kawasaki-ZG1000-ConCours-94-06-300mm-/250612779613?pt=UK_Motorcycle_Parts&hash=item3a59af8a5d#ht_1194wt_919