there does seem to be quite a big range where the bearings are fine, mine i like to do them tight, so the bars wont flop to one side when the front wheel is off the ground (on the stand). As long as theres no back/foward movement front the front end they'll pass themot but I always go for a tighter set up. If you try to set them without the front wheel in, the movement needs to be fairly stiff cause when the wheel goes back in adds a lot more weight. Used to set my supermotos so you could feel the notchiness of tight bearings then slacken by a 1/4 of a turn, spot on, cured a lot of bar flapping.