
This article is by well known and restpected rider and writter Keith Code
http://www.zx-12r.org/Motorcycle_info/Information%20Pages/Keith%20Code%20Riding%20Technique1.htm
Don't confuse body steering with shifting weight on corners, when you see riders hanging off the side of a bike in a corner it basically allows the bike to be more upright as they come out of the corner so you can get more power on more quickly.
