250 Black Seven 18hp Stage 1 tuning

The Mash Motorcycle 250cc 250 Black Seven 18hp produces 18 hp and 16 Nm as standard. The YASTUNING Stage 1 remap file takes it to 22 hp and 20 Nm, a gain of +4 hp and +4 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.