Final answer:
Pulling back lightly on the right handlebar makes the motorcycle tip to the left and produce a left turn due to the principle of angular momentum.
Step-by-step explanation:
When riding a motorcycle, pulling back lightly on the right handlebar causes the cycle to tip to the left and produces a left turn. This happens due to the principle of angular momentum. When the handlebar is pulled back, it causes a torque on the motorcycle, shifting its center of mass towards the left. As a result, the motorcycle leans to the left, which helps in making the turn.