FuelX Autotune
Browse FuelX Lite and FuelX Pro+ fuel optimizers for compatible motorcycles from Royal Enfield, KTM, Triumph, Harley-Davidson, Yamaha and other brands. Match the exact model, year and product application before ordering.
Related: PowerTronic ECU · Performance Air Filters · Fitment FAQ
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FuelX Pro+ for KTM Duke 390 Gen 3 (2025) – Two O2 Sensor | India Spec Fuel Optimizer
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FAQs on FuelX
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Is FuelX safe for my bike engine?
Yes, FuelX is absolutely safe for all motorcycle engines. It works within safe parameters and does not overstress your engine. It optimises fuel delivery, which helps to increase your performance.
Will FuelX improve my bike mileage?
Yes, FuelX can help you improve your mileage. It optimises the air-fuel ratio, which significantly improves fuel efficiency during the ride. Definitely, you can try FuelX to improve your mileage. Contact our support team to find out the ideal FuelX for your bike.
What is the difference between FuelX Lite and FuelX Pro+?
FuelX Lite and FuelX Pro+ are two different variants. FuelX Lite has one autotune map, perfect for everyday riding, whereas FuelX Pro+ comes with 10 autotune maps that automatically adapt to your riding style. FuelX Pro+ are able to deliver up to 25% more power.
Will installing FuelX void my bike warranty?
FuelX is a plug-and-play device. However, it does not require any modification or flashing of your stock ECU, so it definitely does not affect your bike warranty. But if you are worried about it, you can talk with your bike dealer first.
Can I install FuelX myself?
Yes, you can install FuelX on your own. It is a plug-and-play unit. Most of our riders and customers can fit it without needing a mechanic. If you're not confident doing it yourself, you can contact a professional mechanic. They can install it in a few minutes.
Do you provide a refund policy if I order the wrong variant?
Yes, we provide a return policy within five days of delivery. If you find the wrong part for your bike, or it does not work with your motorcycle, immediately contact our support team. However, make sure to keep the original packaging as it is.
What is FuelX and how does it work?
FuelX is a plug-and-play fuel injection optimiser that sits between a motorcycle's ECU and its O2 sensor and adjusts the signal so the engine receives fuel more precisely. According to the maker, it needs no cutting or splicing and no flashing of the stock ECU. Each unit is matched to a specific bike model.
What is the difference between FuelX Lite and FuelX Pro+?
FuelX Lite has one default autotune map and suits daily riders who want smoother throttle response. FuelX Pro+ offers 10 autotune maps for performance-focused riders. At NSR Motors, FuelX Lite is typically priced at ₹6,000–₹8,000 and FuelX Pro+ starts at ₹11,000.
Which bikes is FuelX available for?
FuelX is model-specific, so each unit is matched to your bike's exact model, generation and O2 sensor setup. NSR Motors lists FuelX for Royal Enfield, KTM, Triumph, Yamaha, Bajaj, Harley-Davidson, Suzuki, Honda, Aprilia, Husqvarna and Jawa/Yezdi models, such as the KTM Duke 390 and Hunter 350. If your model isn't listed, contact support.
Is FuelX safe, and will it affect my bike's warranty?
FuelX is designed to work within the stock ECU's safe operating range, and it doesn't reflash the original ECU. Warranty terms differ by manufacturer and dealer, so if you are concerned, check with your bike's authorised dealer before installing. You can also choose the exact model-matched unit through NSR Motors' support team.
