How do you fix a clutch master cylinder on 1996 Mazda 626?

the clutch on the 626 is hydrolic like on the mx6 you have two chioces if its the cylinder and not the lines or transmission choice one replace hole cylinder cost 65 dollars plus choice two try to find a rebuild kit cost 15 dollars plus the rebuild kit should have all the enter workings of the cylinder and they are easy to put together