RH 975 Nightster 89hp Stage 1 tuning

The Harley Davidson 975 RH / Bronx RH 975 Nightster 89hp produces 89 hp and 95 Nm as standard. The YASTUNING Stage 1 remap file takes it to 95 hp and 101 Nm, a gain of +6 hp and +6 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.