Disconnecting the Oxygen Sensor
DynoJet calls for disconnecting the O2 sensor when installing your Power Commander IIIusb in your FJR1300.
You are looking for a 2-wire grey connector located the right rear of the fuel tank, close to the outer frame rail as seen in this photo below. The wires are white and blue on male side. On the female side, it's a grey wire with green stripe, and black wire with blue stripe.
Yellow arrow points to O2 connector:
Here is the connector after separation:
Just tuck the connectors out of the way when done. While some may think disconnecting the O2 sensor will cause the engine light to illuminate, this is not the case; it remains unlit.