Denparts we carry parts for Personal Watercraft A category originally defined by the single-passenger, stand-up personal watercrafts have evolved into a broad market now characterized by craft more similar to a snowmobile, featuring a saddle and handlebars and capable of hauling 1,2,3 or 4 passengers. 2 and 4-strokes. That engine’s power continues to be delivered via an enclosed jet pump, enhancing the craft’s safety. Options run the gamut from inexpensive, level of craft to horsepower machines designed for thrill performance. braking/deceleration systems, electronic reverse, cruise control, no-wake modes, and theft-prevention systems