RS 660 (A2) 47hp Stage 1 tuning

The Aprilia RS RS 660 (A2) 47hp produces 47 hp and 58 Nm as standard. The YASTUNING Stage 1 remap file takes it to 105 hp and 73 Nm, a gain of +58 hp and +15 Nm. ECU: Marelli IAW11MP. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.