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When I was disassembling my exhaust, the pipes dropped a bit lower than the wires for the O2 sensor would allow. All the wires popped out cleanly from the connector, but I don't know how they go back in. Can someone snap a pic in color of this sensor? Or is there a wiring diagram that shows this?

If this pic were color, it would be exactly what I'm looking for. The connector is right above the catalytic converter, tucked behind the swingarm. It should be accessible without having to disassemble or move anything.

 

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Froma 2010 1090RR O2 sensor:

Wiring colors do change through the years, but this is the best I can do for you:

Put the gray wire at 12 o'clock. The white wire at 3 o'clock goes to number 4. The white wire at 9 o'clock goes to number 3.
The black wire goes to number 1 and the gray wire goes to number 2.
1090 O2 sensor end c.jpg

1090 O2 sensor plug end c.jpg
 

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The positions of the white wires can be on either 3 or4 they're​ the heater wires
1 and 2 must be as Chuck showed them

'08 Brutale is the same

I posted this and the fuel pump connections a long time ago

:wink2:
 

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Yeah, Noel, I figured as much for the white wires...no designated order required.
 

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Google 4 wire 02 sensor wire colors......

every Manufacturer wants different colors......ASSHOLES:wink2:

most are made by NTK
 
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