With this update, KESS3 supports Keihin 38770-MKE ECUs on Honda CRF 250 and 450 models from 2020 to 2025, enabling fast, precise, and safe tuning via OBD.
Optimise torque, throttle response, and power delivery for race bikes — with full compatibility on Powergate for independent rider or team tuning.
Supported vehicles
Honda CRF 250
Honda CRF 450
