One of the fastest Sea-Doo models available is the Sea-Doo RXP-X 300.

Here are some details about this high-performance model…

• Top Speed – The Sea-Doo RXP-X 300 can reach speeds of around 67-75 mph (108-121 km/h), depending on conditions and rider weight.
• Engine – It is powered by a 1,630cc Rotax 1630 ACE engine, which is supercharged and delivers 300 horsepower.
• Features – The RXP-X 300 is designed for performance with a focus on agility, acceleration, and high-speed handling. It includes various features aimed at enhancing the riding experience, such as adjustable handlebars, ergonomic seating, and a lightweight hull design.

Sea-Doo continuously updates its lineup, so there may be newer models or variants with similar or improved performance since my last update. It’s always a good idea to check with Sea-Doo’s latest offerings or visit a dealership for the most current information on their fastest models.