With this update, KESS3 supports Denso BPB-H594A-00 ECUs on Yamaha X-Max and N-Max 125 models from 2021 onwards, enabling quick and safe tuning via OBD Virtual Reading.
Read and write directly through the diagnostic port with original file access for precise, reliable results. Optimise fuel efficiency, throttle response, and power delivery — even on the latest generation scooters.
Also available for Powergate, giving riders the freedom to manage tuning independently.
Supported vehicles
Yamaha X-Max
Yamaha N-Max

