400 Five Hunder Chromium 27hp Stage 1 tuning

The Mash Motorcycle 400cc 400 Five Hunder Chromium 27hp produces 27 hp and 29 Nm as standard. The YASTUNING Stage 1 remap file takes it to 31 hp and 33 Nm, a gain of +4 hp and +4 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.