XT 660 Z 48hp Stage 1 tuning

The Yamaha XT 660 XT 660 Z 48hp produces 48 hp and 61 Nm as standard. The YASTUNING Stage 1 remap file takes it to 53 hp and 66 Nm, a gain of +5 hp and +5 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.