Two-passenger personal watercraft have surprisingly become somewhat of a niche breed. Three-seaters rule today's market, but that doesn't mean everyone should drink the Kool Aid. In fact, I dare say that two-passenger models provide some of the biggest thrills currently left in this industry.You just have to like your performance small and nimble...and your watercraft a lot like the Sea-Doo RXP-X 255.Mighty MuscleAs it enters its Junior year, the RXP-X is no longer the surprise it was back in . In its latest guise, it uses the same familiar 4-TEC motor, bumped by a supercharger/intercooler up into the realm of 255 horsepower. The supercharger effectively compresses air and force-feeds it to the engine.