400 I.E 34hp Stage 1 tuning

The Piaggio Beverly 400 I.E 34hp produces 34 hp and 38 Nm as standard. The YASTUNING Stage 1 remap file takes it to 39 hp and 43 Nm, a gain of +5 hp and +5 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.