Hi,  (skip to the bottom for the question if you can't be a***d to read the whole story)
 I wonder if anyone can advise on a problem I have with my brakes. I recently bought the bike privately, 2013 Fazer 8 ABS, and it had no front brake, the parts were all there just the lever went straight to the bar!It needed new pads and the fluid looked like it needed changing so these were done and then I attempted to bleed.
I bled using the pump the brake and then release the bleed valve  on the caliper method until I had a reasonable brake. All seemed well, I went back to the bike ten minutes later and the lever was straight back to the bar  I kept trying, and getting the same result so I thought master cylinder kit was required. Kit purchased and fitted, same result!!! I then bypassed/cut out the ABS unit and managed to get a decent brake that held so I assume the issue is with the ABS unit or an air lock in the ABS unit, so I put the system back together and tried bleeding sections of the system bit by bit, finishing off with a good bleed at the callipers and all seemed well, the pressure held and I thought I'd cracked it. So I get ready for a test ride, start the bike and when I go to move it, NO BRAKE!!!!!When I turned the bike off I pumped the brake a couple of time and have a brake again, and it's held for a couple of hours, but I haven't started the bike again. There is no apparent leaks or loss of fluid.
QUESTION: Is there a special way to bleed these brakes? Am I doing somthing obvious wrong? Any suggestions greatly received.Thank you.