400cc 45hp Stage 1 tuning

The Kawasaki Ninja 400cc 45hp produces 45 hp and 38 Nm as standard. The YASTUNING Stage 1 remap file takes it to 50 hp and 44 Nm, a gain of +5 hp and +6 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.