900 50hp Stage 1 tuning

The Kawasaki VN900 900 50hp produces 50 hp and 83 Nm as standard. The YASTUNING Stage 1 remap file takes it to 55 hp and 89 Nm, a gain of +5 hp and +6 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.