Which of the following is NOT a method used to maintain control of a motorcycle in a turn?

Maintaining control of a motorcycle during a turn is crucial for safety and performance, especially in varying conditions. The method of slowing down before the turn is not a technique utilized to maintain control while executing the turn itself; rather, it is a preparatory action that should be carried out before entering the turn.

When approaching a turn, riders should ideally reduce their speed in a straight line prior to entering the curve. This allows for better control as they begin to lean into the turn and make steering adjustments. Once the motorcycle is tilted into a turn, other techniques come into play: adding throttle helps to stabilize the bike, body lean shifts the center of gravity for better balance, and proper steering ensures the bike follows the desired path. Each of these actions plays an active role in managing the dynamics of the motorcycle during the turn, while slowing down is a precautionary measure taken beforehand.

Thus, while slowing down is important, it is not a method employed during the actual execution of the turn itself, making it the answer to the question.