I have a 08 busa and after looking for the o2 sensor wires I found a jumper plug at the connector. Why do they do this and doesn't it mess up the fuel mixture?
yes a factory looking plug in the 4 wire connector that should go to a o2 sensor. It has a short wire in the connector that just loops around to jump 2 of the pins.
this is probably a gen2 bike?
they all had 02 sensors I am pretty sure.. someone also probably pulled the PAIR system off and then installed the resistor in the sensor connector to keep the FI light from coming on..
I would rather have the o2 system working myself... helps the a/f during cruise etc.. (bypasses at WOT)
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