300 I.E (Eu4) 21hp Stage 1 tuning

The Piaggio MP3 300 I.E (Eu4) 21hp produces 21 hp and 23 Nm as standard. The YASTUNING Stage 1 remap file takes it to 23 hp and 25 Nm, a gain of +2 hp and +2 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.