New TunerPro XDF for Yamaha SR400 with ECU Denso.
With our XDF you can modify some engine parameters like fuel maps depending on throttle position and intake pressure, main spark advance maps divided by gear, axes (rpm, throttle, intake pressure), rpm limiters, lambda sensor deactivation.
Price 40 euro
Post: https://oldskulltuning.com/yamaha-sr-400-tuning-ecu-denso-with-tunerpro/