What are the symptoms and handling characteristics of steering head (stem) bearings that are adjusted too tight?

1. The steering feels stiff and heavy, and the motorcycle tends to wander or is difficult to ride in a straight line.
2. The front wheel wobbles rapidly at speeds above 80 km/h (speed wobble).
3. The front suspension makes a loud knocking sound when braking.
4. The front brake lever pulls all the way to the handlebar grip.