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My bike is giving me a C12 fault which refers to the crankshaft position sensor. I have followed the wiring from the sensor to the ECU... does not seem to be any loose wires so I am thinking the sensor needs to be replaced. Problem is, I cannot find a part number for this.

My bike is a 2007 GSX-R750. I called a Suzuki dealer in my area and they weren't able to find anything for a crankshaft position sensor. Closest thing he found was a cam position sensor.

Can anyone help me please? I am hoping someone else has dealt with replacing this part.


:cheers
 

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What were the symptoms your bike had and did you test the sensor through the connector at all with a multimeter?

I’ve tested my ckp sensor connector for resistance which is fine + continuity which I believe is fine as well.

The reason I ask is because i just got a c12 code and the bike died on me and will not fire. It has full power, cranking, fuel pump priming when ignition switched to on, and it will continuously crank but will not fire. I am unable to push start it as it didn’t start up completely and then it bogged and shut off.. I checked ignition coils, and spark plugs which were fine but I am ha gong spark plugs anyways since I have it open.

The only thing I found was that the connector from the rectifier was really corroded on the inside prong/terminal things.

If you can give me some symptoms that you had so I can compare them to mine, I would greatly appreciate it.

Thanks !!
 
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