The FuelX Lite is a “fit-and-forget” fuel injection optimizer specifically designed for the Yamaha R15 M / V4 BS6 (2022). While the R15 is the benchmark for small-capacity supersport performance, BS6.2/OBD2 regulations force the engine to run “lean,” which can result in a jerky low-end response and increased engine heat during aggressive riding.
The Lite version provides a single, intelligent Autotune Map that works in real-time to optimize fueling, ensuring the 155cc VVA engine stays smooth, responsive, and cool without the need for manual adjustments.
Key Features
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1 Intelligent Autotune Map: Features a dynamic fueling profile that automatically adjusts based on your riding style, engine load, altitude, and ambient temperature.
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Smoother Low-End Response: Significantly reduces the jerky “on-off” throttle transitions often felt in low gears. This makes the R15 V4 much more refined and easier to manage in heavy city traffic.
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Cooler Engine Operation: By correcting the lean factory fuel mixture, the FuelX Lite helps the liquid-cooled engine run up to 10% cooler, which is critical for maintaining peak performance during high-RPM track sessions or long highway runs.
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Seamless VVA Transition: Provides a more linear power delivery and ensures a smoother transition when the Variable Valve Actuation (VVA) activates, eliminating the slight “flat spot” found in the stock tuning.
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Adaptive Intelligence: The unit smartly adapts to hardware modifications, such as performance air filters or aftermarket exhausts, ensuring the engine always maintains a safe and optimal Air-Fuel Ratio (AFR).
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Plug-and-Play Installation: Comes with a model-specific harness and OEM-quality connectors. No wire cutting or permanent modifications are required, making the installation 100% reversible.
Technical Specifications
| Feature | FuelX Lite Details |
| Compatible Model | Yamaha R15 M / R15 V4 (BS6) |
| Year Range | 2022 |
| Operation Type | Automatic Real-Time Autotuning |
| Maps | 1 Fixed Autotune Map |
| Build Quality | Fully Weatherproof and Shockproof |
| Interface | No Manual Switch (Automatic Operation) |
Why Choose FuelX Lite for Your R15 M/V4?
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Simplified Performance: Ideal for riders who want an immediate improvement in engine refinement and throttle response without the complexity of manually managing multiple maps.
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Engine Protection: By preventing the engine from running too lean, the Lite version protects internal components like valves and spark plugs from excessive heat damage, acting as a safeguard for your high-revving motor.
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Discreet Integration: The compact module is designed to be tucked away under the seat. Because it uses original factory connectors, it can be removed before service visits to keep the bike’s stock status and warranty intact.
Installation Note
The FuelX Lite connects directly into the motorcycle’s O2 sensor circuit. The setup is straightforward and can typically be completed in under 20 minutes with basic tools. Once installed, it works silently in the background to provide a consistently optimized riding experience.
