It is a kick-to-start off scooter, meaning You need to kick it to interact the 350W/650W peak power rear wheel motor. This is a basic safety feature and gets rid of the jerky response A few other scooters have when accelerating. It accelerates smoothly and undramatically to its max speed of 21 mph (34 km/h).Durable, Agile & Safe and sound Driving a