402 S 39hp Stage 1 tuning

The Benelli 402 S 402 S 39hp produces 39 hp and 35 Nm as standard. The YASTUNING Stage 1 remap file takes it to 44 hp and 39 Nm, a gain of +5 hp and +4 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.