CB900 CB900F Hornet PGM-FI UNIT ECU ECM CDI black box computer brain (38770-MCT-621, 38770-MCZ-611, 38770-MCZ-641)
![](images/categories/Honda-CB900-Hornet-ECU-38770-MCZ-611-621.jpg)
We also need one of the transponder (chip) keys in order to test/repair this module!
We also need one of the transponder (chip) keys in order to test/repair this module!