I check your web page everytime you Email me with updates, you guys have covered some ground.
:WellDone_OROQR1: http://www.twobikesrunning.co.uk/

My Z had developed a horrible turn-in sensation as if the steering was sticking, then suddenly freeing mid-corner.
Followed this tutorial and the bearings were fine but covered in slimy, rusty old gunk that was once grease.
Took it for a quick spin after and its cured! This place is such a big help :)