There is also this one.
http://www.youngtimerklinik.de/XS650/nwz/main_nwz.htm
Made by a member of the German xs650 forum, has adjustable ignition etc.
Found the installation instructions, I cant read German but there looks to be a lot going on.
http://www.steffi-graf.ch/XS650/nwz/EA-Innognition-2S.pdf
http://www.steffi-graf.ch/XS650/nwz/InnoGnition/16-12-30 Software InnoGnition.pdf
http://www.youngtimerklinik.de/XS650/nwz/main_nwz.htm
Made by a member of the German xs650 forum, has adjustable ignition etc.
Found the installation instructions, I cant read German but there looks to be a lot going on.
http://www.steffi-graf.ch/XS650/nwz/EA-Innognition-2S.pdf
http://www.steffi-graf.ch/XS650/nwz/InnoGnition/16-12-30 Software InnoGnition.pdf