: You cannot use a standard ELM327 OBDII chip. Most tools require an FTDI-based USB to Serial adapter that supports the non-standard 10,400 baud rate used by Honda.
Shindengen is a Japanese electronics manufacturer that supplies the MCUs (Microcontroller Units) found inside Honda ECUs. Unlike some other manufacturers that use widely cracked protocols, Shindengen ECUs often require a specific "boot mode" or hardware interface to be accessed. honda shindengen ecu flasher download
To interface with the Shindengen ECU, you generally need specialized hardware to bridge your computer and the bike's K-Line communication: : You cannot use a standard ELM327 OBDII chip