A previous generation 300 motor that will be supercharged and gifted with forged internals Apart from having quite a potent motor, Kawi Performance wants the monster Jet Ski build to have a ...

Though Yamaha is hardly alone in packing a supercharger into some of its models, Kawasaki's Ultra jet skis are also making some impressive power. With a displacement of 1812cc's the supercharged 4 ...