TADA !!
After long hours of debug i finally reached to write swing keihin ECU.
I let you doing the tour of the software. Checksum is verified before writing and you will have a save proposal.
To flash ecu you will have 2 ways :
Connection on diagnostic plug, but be carefull you will need a strong battery charger during the actions, Lots of equipment are runing when butterfly box is not joinable.
Connection on table with pinout provided inside software.
You will find nice stuff including map editor.

All of that for FREE!
ENJOY!