Originally Posted by AirForceDirt
You only disconnect it long enough to plug the Power Commander inline with the O2 sensor. It still uses all the sensors and electronics of the original ECU, it just overrides most of it.
I'm sure PC will make one for the new Z1000 that will work, just give them a little bit of time.
You 'throw it away' kind of disconnection. In its place you plug a resistor. The intake sensors are used as normal. The PC lives between the ecu and the injectors.