Rotax Utility+ App
Diagnosis & Jetting.
Mobile, simple, efficient.
Want everything important about your kart engine in one place? The Rotax Utility+ app is the official technical toolkit for your race. Optimize your combustion setup or diagnose your electric powertrain effortlessly.
Built for the Entire Paddock
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Combustion
Smart Jetting
Delivers trusted setup recommendations based on current conditions for your Rotax MAX combustion engine.
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Electric
E10 Diagnostics
Provides a clean overview of your electric kart’s system status, battery health, and key telemetry.
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Electric
E10 Scrutineering
Guides race officials through compliance checks with speed and confidence.
Dial In Your Setup – Every Session
Smart Jetting for Rotax MAX Engines
Stop guessing your carburetion and dial in your setup for every session. The Smart Jetting feature instantly calculates the optimal main jet for your specific engine based on real-time ambient conditions like temperature and air pressure.
- Automatic or Manual Input: Use your phone's GPS to instantly pull weather data from the nearest station, or enter your own ambient parameters manually.
- Save & Notes History: Store every jetting calculation alongside the day's exact weather conditions, and add personal comments for any manual tweaks.
- Build Your Setup Library: Compare past sessions, spot trends, and build a reliable, personalized jetting reference over time.
Connect Your Rotax E10
E-Kart Diagnostics & Analytics
Get insights into your electric kart powertrain like never before. Designed specifically for Rotax E10 owners, this groundbreaking feature transforms your smartphone into an advanced diagnostic dashboard.
- Deep Powertrain Insights: Read out general system information, verify your current performance maps, and monitor the exact status of your Drive Unit.
- Battery Health & Charge Levels: Get real-time transparency on your State of Charge (SoC) and State of Health (SoH). Track your runtimes to maximize your track sessions and maintain the long-term value of your equipment.
- Smart Warnings & Instant Solutions: Instantly read critical error codes and get actionable, step-by-step solutions right in the paddock so you can get back on track faster.
Doubling Down on Fairness
E10 Scrutineering Toolkit
Ensure the highest level of competitive fairness with the official digital toolkit for E10 scrutineers. This feature allows for fast, precise, and convenient technical inspections, setting a new benchmark for professional racing standards.
- Instant Technical Verification: Perform pre- and post-race inspections by automatically reading engine seal numbers, serial numbers, and defined racing parameters.
- Automated Integrity Alerts: Stay ahead with instant notifications if any irregularities are detected, ensuring every kart on the grid is 100% compliant.
- Streamlined Official Workflow: Conduct paperless, high-precision checks using the standard adapter cable and dongle for maximum efficiency on race day.
How to Connect Your Rotax E10
Whether you’re in the workshop, at the track, or in race control, Rotax Utility+ keeps you focused, informed, and ready. Unlocking advanced analytics for the Rotax E10 is simple:
- Quick connection via Bluetooth
- Easy-to-understand visual layouts
- Clear results you can trust
Required hardware:
- Rotax Adapter Cable: Purchase the official Rotax Diagnosis connector to OBD2 adapter cable directly through your local Rotax dealer.
- OBD2 Dongle: Connect via a compatible third-party OBD2 dongle. Please note that the Rotax Utility+ App functions exclusively with the following recommended devices*:
- Vgate iCar Pro (BT3.0 / BLE4.0) OBD2 Scanner Bluetooth (Amazon.com | Manufacturer Website)
- Veepeak Bluetooth OBDCheck BLE Plus OBD2 (Amazon.com | Manufacturer Website)
*Legal Disclaimer: The OBD2 dongles recommended above are third-party products. BRP-Rotax provides these recommendations based on internal testing protocols for user convenience, but assumes no liability for the functionality, safety, or warranties of third-party hardware.
FAQs
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What is Rotax Utility+?
Rotax Utility+ (Utility Plus) is a mobile utility app that brings diagnostics, scrutineering and jetting together in one simple solution – designed for everyday use in workshop, race and track environments.
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Who is the Rotax Utility+ app designed for?
The Rotax Utility+ app is built for:
- Dealers and service centers
- Scrutineers and race officials
- Track operators and private kart drivers
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What can I do with Rotax Utility+?
With the Rotax Utility+ app, you can:
- View key electric kart system information
- Perform official scrutineering checks on your electric kart engine
- Validate software and performance maps
- Use the integrated Rotax Jetting app
- All directly from your smartphone
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Is Rotax Utility+ easy to use?
Yes. The app is designed with a mobile‑first, intuitive user experience. Clear screens, guided flows and structured information make it easy to use – even without technical background.
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Does the app replace BUDS?
No. Rotax Utility+ is not a replacement for BUDS. It is a focused, cost‑efficient utility solution that provides read‑only access and inspection features for everyday use and race operations.
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Can I change or program anything with the app?
No. Rotax Utility+ is a read‑only solution.It allows you to view, verify and document information – without flashing, programming or modifying any systems.
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Is the Rotax Jetting app included?
Yes. The Rotax Jetting app has been fully integrated into Rotax Utility+. You get trusted jetting recommendations together with diagnostics and scrutineering – all in one app.
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Which platforms are supported?
Rotax Utility Plus is available for iOS and Android, optimized for smartphone use in workshop and trackside conditions.
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What hardware do I need?
You only need:
- A compatible OBD2 Bluetooth dongle
- The appropriate adapter cable
- No proprietary or expensive hardware required
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What are the terms and conditions for using the app?
Please refer to our dedicated Terms & Conditions page.
Get Support
Whether you’ve got a question, found a bug, or want to request a feature, we’d love to hear from you. Our team is always ready to assist and make sure your Rotax Utility+ experience runs as smoothly as possible.