The Mokai kayak can change form quickly, going from a docile pedal powered kayak to some jet-powered action. It can seat two and comes with a six hp Honda engine coupled to a jet propulsion system. The system can be removed or installed in about...

Jet-propelled kayak is a perfect thing for those who want maximum speed on water. A kayak having a kayak-style hull with one or more cockpits, and an inboard power device that accelerates water and directs it out a steerable stern nozzle....