The FuelX Pro+ is the most advanced fuel injection optimizer in the RaceDynamics lineup, specifically engineered for the Yamaha R15 V4 and R15M BS6 (2022). While the standard Lite version offers a fixed autotune, the Pro+ empowers the rider with 10 switchable maps to customize the bike’s performance on the fly.
Designed to unlock the full potential of the 155cc VVA engine, the FuelX Pro+ transforms the R15 from a restricted commuter into a sharp, track-ready machine with superior throttle precision.
Key Features
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10 Switchable Autotune Maps: Includes a handlebar-mounted map switch that allows you to toggle between 10 different fueling profiles—ranging from “Economy” for fuel-efficient commuting to “Race” for maximum power and aggressive throttle response.
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Handlebar Map Switch: Features a premium, backlit, and weatherproof switch that gives you instant control over your engine’s fueling characteristics without needing to stop or use a laptop.
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Real-Time Autotuning: Regardless of the map selected, the unit constantly monitors engine load, altitude, and temperature to maintain the perfect Air-Fuel Ratio (AFR) for that specific setting.
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Smoother Power Delivery: Eliminates the “lean” fueling flat spots inherent in the BS6/BS6.2 factory tuning. This results in a much smoother transition when the Variable Valve Actuation (VVA) kicks in, providing linear power throughout the RPM range.
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Cooler Engine Temperatures: By enriching the fuel mixture in performance modes, it helps the high-compression R15 engine run cooler, reducing thermal stress during high-RPM track sessions or heavy traffic.
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Plug-and-Play Installation: Comes with a model-specific wiring harness and OEM-grade connectors. No wire cutting or permanent modifications are required, making it 100% reversible.
Technical Specifications
| Feature | FuelX Pro+ Details |
| Compatible Model | Yamaha R15 V4 / R15M / R15S (BS6) |
| Year Range | 2022 |
| Operation Type | Manual Map Selection with Real-Time Autotune |
| Map Range | 10 Selectable Levels |
| Interface | Handlebar-Mounted Backlit Map Switch |
| Build Quality | Fully Weatherproof and Shockproof |
Why Upgrade to the Pro+ for Your R15 V4/M?
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On-Demand Performance: Whether you are navigating dense city traffic (Mode 3-4) or hitting an open highway/track (Mode 7-9), you can adapt the bike’s character instantly to suit your riding environment.
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Adaptive to Mods: If you have installed a performance air filter or a full-system exhaust (like Akrapovič or SC Project), the FuelX Pro+ is essential to ensure the engine doesn’t run dangerously lean, protecting your valves and piston.
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Enhanced VVA Feel: The Pro+ provides a more robust mid-range, making the engine feel punchier even before the VVA is triggered, resulting in better exit speeds from corners.
Installation Note
The FuelX Pro+ unit is typically mounted under the seat, with the wiring harness routed to the O2 sensor and the map switch mounted near the left handlebar grip for easy thumb access. Because it uses original factory connectors, the unit can be removed before service visits without leaving any trace on the bike’s ECU history.
