Deliberately countersteering a motorcycle is a much more efficient way to steer than to just lean. At higher speeds the self-balancing property of the bike gets stiffer, and a given input force applied to the handlebars produces smaller changes in lean angle.
Should you Countersteer a motorcycle?
You don't have to countersteer to turn on a bike. When you are riding straight you are using a combination of balance and handlebar position to adjust the angle of the bike so it is directly between you and the ground. If you fail to do this you fall over.
When should you Countersteer on a motorcycle?
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Not every corner or turn you encounter while riding your motorcycle requires you to countersteer, Cycle World reports. Much like on a bicycle, at very low speeds you just turn the handlebars in the direction you want to go. It's only above about 10 mph where countersteering becomes necessary.