400 I.E 34hp Stage 1 tuning

The Piaggio MP3 400 I.E 34hp produces 34 hp and 37 Nm as standard. The YASTUNING Stage 1 remap file takes it to 38 hp and 41 Nm, a gain of +4 hp and +4 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.