hi fellas need help ,i have bought a new  master cylinder have been bleeding for hours i removed the caliper and opened it up to remove air ,now there is a gap of 10mm from the disk and pads and they wont close up , no mater how many times i bleed it ,what am i doing wrong ,thanks in advance

Do you have the right fluid???

dot 5 fluid is recommended for my bike thanks dave i will give it a go cheers mate