Jetski - a race to the watercraft (jet skis). Jetski is a kind of water-motor sport.
In 1968, in North America, released the world's first jet ski. Only since 1986 have been held international competitions aquabike.
There are 2 classes jetski: sedentary with an engine displacement up to 1,200 cc. cm and a stand-up (up to 785 cu. cm). "Stand-up" designed for sports and trickery, as they require special driving skills. They go only standing. The speed should not be lower than 100 km / h. "Seats" are single, double, triple and even quadruple. In this class, the more seats jetski, the calmer temperament watercraft.