Hi, i have just finished restoring my GS650G Katana and went to bleed the front system to get some brakes happening. The front master cylinder leaked and the brake felt spongey no matter how much you tried bleeding any air out, that might be left. I replaced the master cylinder and the brakes are still spongey and if i isolate the master cylinder from the calipers by clamping the line all the spongeyness dissapears??? What can go wrong with the calipers to cause this or am i doing something wrong???