Actually, the lean is induced by countersteering, not with body English...New riders try to "Steer" the bike with their hands, can't be done!
You soon learn to steer by leaning your body in the direction you want to go.
I had a "Chopper",..."Back-In-The-Day"!
The ONLY way to steer it was by "Leaning".
"I was "SooooooooooooooooKKKKKKKKKOOOOOOOOOOOOOOL" back then!
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In fact above a certain speed (dependent on the rake of the fork), if a noob rider wants to turn, say, right...ad turns the handlebars to that direction...he will go in the exact opposite direction.