A Yamaha waverunner is a personal watercraft that is used for both recreational and practical purposes. Many people would recognize these vehicles by the term “jet ski”, however they are two different items. In the same way that people have come to identify all colas as “Cokes”, many people refer to all brands of personal watercraft as “Jet Skis”. A waverunner is the same type of vehicle as a Jet Ski, however, the two are simply different name brands. Waverunner is produced by the br...