What is the name of the device that regulates the amount of fuel going into the engine of a personal watercraft (pwc)?

 The throttle is the name of the device that regulates the amount of fuel going into the engine of a personal watercraft (PWC). The throttle make the PWCs maneuverable. TO MAINTAIN STEERAGE, YOU MUST APPLY THROTTLE! They are built for quick, sharp turns, low-radius circling, and rapid acceleration