1250 Sportster S 121hp Stage 1 tuning

The Harley Davidson 1250 Night Rod / V-Rod / Sportster 1250 Sportster S 121hp produces 121 hp and 125 Nm as standard. The YASTUNING Stage 1 remap file takes it to 129 hp and 133 Nm, a gain of +8 hp and +8 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.