RS 660 100hp Stage 1 tuning

The Aprilia RS RS 660 100hp produces 100 hp and 68 Nm as standard. The YASTUNING Stage 1 remap file takes it to 105 hp and 73 Nm, a gain of +5 hp and +5 Nm. ECU: Marelli IAW11MP. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.