Some people refer to them as a waverunner or jetski.
Personal watercraft are small jet propelled machines.
They are made of fiberglass or sheet-molded compound and have either a two or three cylinder engine. Two Seater Two seaters are the most popular type of personal watercraft but three seaters are starting to become more popular every year. For the most part younger people buy two seaters because they are usually faster and more enjoyable to drive. As of this year speeds of the fastest two seaters are near 65. There are several companies that make two seaters, they include Sea-Doo, Polaris, Yamaha, Kawasaki, and Tigershark.