Sea-Doo, the BRP Inc. watercraft brand, and Senna Brand have launched the limited-edition Sea-Doo RXP-X Senna 350 under a one-year partnership honoring Ayrton Senna, with 1,991 units to be offered worldwide and pre-orders open now. The flagship personal watercraft debuts Sea-Doo's new Rotax 1630 ACE factory engine, rated at 350 horsepower, and BRP said it delivers 15 percent faster 0-60 mph acceleration than previous models. Tribute details include Senna's signature, references to his three Formula 1 world championships, the phrases "Seek your truth" and "Born to win," a matching passenger seat, a Senna-branded cover, a numbered 1991 plate and a color scheme modeled on his racing helmet.