What action should be taken when the throttle is stuck?

When the throttle is stuck, operating the engine cut-off switch and pulling in the clutch is the appropriate action to take to regain control of the vehicle. This method effectively disables the engine's power while allowing the driver to maintain control by disengaging the clutch, preventing the motorcycle from accelerating uncontrollably. By cutting off the engine power, you reduce the risk of losing control and provide an opportunity to safely maneuver the motorcycle to the side of the road.

The advantages of this action are significant, as it immediately addresses the potential danger posed by a stuck throttle. Using the engine cut-off switch stops the engine, while pulling the clutch lever allows the rider to maintain steering control, which is vital in preventing accidents.

In contrast, accelerating to try to free a stuck throttle could lead to a loss of control, while shifting to a lower gear might not effectively address the underlying problem of the stuck throttle. Turning off the headlights is unrelated to the issue at hand and does not aid in solving the stuck throttle situation, thereby further emphasizing why operating the engine cut-off switch and pulling in the clutch is the safest and most effective response.