Sea-Doo RXP-X 300 + Trailer – Ready for the Water Selling my Sea-Doo RXP-X 300. 300HP supercharged, extremely fast, and runs strong. Very well maintained and in great condition. 90 Hours! All fluids will be changed and fully serviced prior to sale so it’s ready for the season. Sea-Doo: $10,000 2024 Trailer: $1,400 Serious inquiries only. Firm on price Message me for more details.