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my fiance's z125 pro 2018
fi light on I believe it's service code 12 it doesn't seem to be affecting the bike but I would like to get it fixed any idea what could it be or part number kind of stuck on it
 

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If not sure i'd confirm that it is code 12 (pic 1)

With a bad or shorted Intake Air Pressure Sensor and the ECU will set into a-N method (pic) so will still run, just not at a better AFI ratio as when its working. (pic 2)
I'd check the connector, unplug and visual check inside at the IAP pins & the wires going in, and re-plug back in.(pic 3)

But may have just been a temporary glitch' and the CEL will stay on until 4 completed rides have been reached. (pic 4)

If really is the IAP sensor it is in last pic below (green)
Looks like you have to buy the complete unit, ask at your dealer ?
THROTTLE-ASSY /16163-0862


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CEL SELF DIAG'.JPG ECU BACKUPS.JPG THROTTLE BODY SENSORS.JPG CEL ERACING.jpg THROTTLE BODY ASSY SENSORS.jpg
 
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