Tuning for Sea-Doo GTR-X 300
The Sea-Doo GTR-X 300 relies on the supercharged Rotax 1630 ACE, boasting around 300 HP. With the M-JET Flasher, you can significantly enhance your GTR-X 300 via smartphone: more acceleration, higher top speed, and more direct throttle response, all cleanly tuned and reversible to stock settings at any time.
Engine
The Rotax 1630 ACE operates with supercharging and delivers around 300 HP ex works. On this platform, the proven M-JET Maps provide significant gains, either with stock hardware in Stage 1 or with suitable upgrades from Stage 2.
Compatible Model Years
- 2026 · GTR-X 300
- 2025 · GTR-X 300
- 2024 · GTR-X 300
Pro or Lite?
Same dongle, same proven maps, but different functions. Lite flashes performance, Pro additionally offers diagnostics, live data and and coding.
- Software tuning via iOS / Android app
- OTS maps (various stages and fuels)
- Live data and data logger
- Read and clear fault memory
- Reset service
- Coding (e.g., X or Ski function)
- Software tuning via iOS / Android app
- OTS maps (different stages and fuels)
Functions at a glance
100% mobile. No laptop, no PC. All you need is the M-JET dongle and your smartphone.
OTS ready-to-use maps. Thoroughly tested, safe maps for different stages and fuel qualities.
Fault memory (Pro). Read and clear the fault memory in all ECUs of your Sea-Doo.
Service reset (Pro). Reset service intervals conveniently via the app.
Live data and logging (Pro). Boost pressure, battery voltage, temperatures and more live in the app, plus CSV logging while riding.
Coding (Pro). Unlock functions that would otherwise require expensive modules (e.g., X or Ski function).
From Stage 2 hardware modifications to your Sea-Doo are required. The corresponding complete kits of hardware and tuned maps are included in our TECHPACKAGES.
You only want to run diagnostics and already have tuning or don't want any? Take a look at our M-JET DIAGNOSTIC, the pure diagnostic and service tool for BRP.
