Ensure the master cylinder push rod springs back up against the circlip , if it don't it won't uncover the little hole that allows new fluid into the master cylinder bore ready for the next stroke.
right ive had enough of the shit still no joy , just ordered a mityvac to sort it out now. thanks for your help fellas.
Pleased you got it sorted. .......Wang on bike, Feet up MotoGP on, Cold Beer........ That's a Sunday! Mike.