2018 Sea Doo RXT-X 300 4stroke supercharged 1630cc bad ass ski. 3 seater jet ski. Very Fast 85 mph with RIVA Racing Performance prop, map tuning, flashed ECU. Very low hours. Only 155 hrs. Mostly Fresh water ski. One owner. All books and owners manual. Single trailer included. Sea doo custom fit cover. Comes with the two original keys, 2 SeaDoo Neoprene live vest Large and Extra Large. 2 rubber bumpers. Not interested in trades. Cash only! The 2018 Sea-Doo RXT-X 300 features a supercharged 300 HP Rotax 1630 ACE engine, ST³ deep-V hull, seating for three, and the ErgoLock system for enhanced control, offering a performance-focused ride with features like iBR (Braking & Reverse) and optional BRP Audio. Key specs include a dry weight of around 828 lbs, 15.9-gallon fuel capacity, and significant storage, making it a powerful, stable, and versatile watercraft for both recreation and racing.
Engine & Performance
Engine: Rotax® 1630 ACE™, Supercharged with external intercooler.
Horsepower: 300 HP.
Displacement: 1,630 cc.
Cooling: Closed-Loop Cooling System (CLCS).
Fuel: 87 octane minimum, 91 recommended.
Throttle: Intelligent Throttle Control (iTC) with Touring, Sport, & Eco modes.
Top Speed: Around 67-73 mph (electronically limited).
Hull & Dimensions
Hull Type: ST³ Hull (Deep-V, Stable & Precise).
Length: ~135.9 in / 345.1 cm.
Width: ~49.4 in / 125.5 cm.
Dry Weight: ~828 lbs / 376 kg (lighter than previous models).
Features & Capacity
Seating: 3-Up.
Rider Capacity: Up to 600 lbs / 272 kg.
Fuel Capacity: 15.9 US gallons / 60 L.
Storage: ~27 gallons / 102.5 L (front bin).
Key Tech: iBR (Electronic Brake & Reverse), Launch Control, ErgoLock System, Variable Trim System (VTS).
Audio: Optional 100W Bluetooth Audio System.
Colors: Ice Metal/Lava Red, Neon Yellow/Lava Grey.