Yamaha FX SHO Mitsubishi F8T638 6FV-8591A-00 HAK441 File Info
You can view the file details below.
Hersteller
Yamaha
Serie
FX SHO
Baureihe
Output
StgHersteller
Mitsubishi
StgBaureihe
F8T638
Stgnr_Stg
6HL-8591A0-1
Stgnr_Her
6FV-8591A-00
Software
HAK441
SoftwareVersion
You can find the chip tuning file you are looking for on "Carecufile.com"