buy a sea doo rxt-x 300 2021 at jolly roger marina

The revolutionary new and lighter platform, combined with the Ergolock System, maximizes control in any condition, making the RXT-X the new benchmark for rough water performance. With the 300-hp engine, 60 mph (96 km/h) is just a few seconds away.

seadoo 2021 rxt-x 300

X Package

  • BRP Audio-Premium System (Optional)

  • Launch Control

  • Extended Variable Trim System (VTS)

  • Ergolock™ racing seat with knee pads

  • Extended Angled Footwell Wedges

  • Race-inspired X-sponsons

  • Direct Access Front Storage


Rider capacity: 3

Weight capacity: 600 lb

Fuel capacity: 18.5 US gal

Glove Box: 0.8 US gal

Front Bin: 25.3 US gal

Storage capacity – Total: 26.1 US gal


Length (bumper to bumper): 135.9″

Width: 49.4″

Height: 45.2″


Type: ST3 Hull™

Material: Fiberglass

Other Features:

  • iControl®
  • Split Seat (2 parts)
  • Seat Strap
  • Trim Tabs
  • Launch Control
  • Ski Tow Eye
  • RF D.E.S.S.Key
  • LinQAttachment System
  • Wide-Angle Mirrors
  • Handlegrip with Palm Rests
  • Footwell Carpets
  • Large Swim Platform
  • Tilt Steering
  • Watertight Phone Box Compartment
  • Exclusive X Colors

Rotax® Engine  1630 ACE™

Horsepower: 300hp

Intake system: Supercharged with external intercooler

Displacement: 1630 cc

Cooling: Closed-Loop Cooling system (CLCS)

Reverse system: Electronic iBR®*

Fuel type: 91 octane

Throttle System: iTC™ (Intelligent Throttle Control) system

Exhaust System: D-Sea-BeI™ system


Type of Gauge: 7.6″ Wide Digital Display

Main Functions:

  • Speedometer
  • RPM
  • Clock
  • VTS™ Display
  • Top Speed & Average Speed
  • Vehicle Hour Display
  • Launch Control
  • Sport Mode
  • ECO® Mode
  • Slow Mode
  • Speed Regulator


Dry weight: 829 lb


BRP limited warranty covers the watercraft for one year.

*Electronic brake, neutral and reverse.

2021 seadoo feature direct access front storage

Direct Access Front Storage

Large front storage area that’s easily accessible from a seated position.1

2021 seadoo feature Ergolock™ System

Ergolock™ System

A narrow seat profile with deep knee pockets lets riders sit naturally and use the leg muscles to hold onto the machine for more control.

2021 seadoo featured BRP Audio-Premium (Optional)

BRP Audio-Premium (Now Standard)

An industry-first manufacturer-installed, truly waterproof, Bluetooth‡ audio system.2

innovative 2021 seedoo feature st3 hull

ST3 Hull™

An innovative hull that sets the benchmark for rough
water handling, stability, and offshore performance.

2021 seadoo feature Swim platform with integrated LinQ™ system

Swim platform with integrated
LinQ™ system

Exclusive quick-attach system on the largest swim platform in the industry allows for easy installation
of storage accessories.

2021 seadoo feature Rotax® 1630 ACE™ EngineROTAX® 1630 ACE™ – 300 Engine

The Rotax® 1630 ACE™ is the most powerful Rotax® engine ever, delivering high efficiency and the best-in-class acceleration.

Contact us to purchase this Sea Doo!

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