Wayne Palmer
Parking Attendant
Posts: 9
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posted August 18, 2013 05:57 PM
will not start
I picked up another zx12 it was missing the ecu. well I had an extra harness and ecu from my 01 zx12. I installed the harness and ecu and bike will not fire. Good voltage, no fi faults, gauges sweep, and fuel pump good, great compression, will not even fire when giving it a little help with fuel down throttle bodies.
I remember years ago there was something about when installing a 2001 motor in a 2000 model you had to change the cam sensor pick up on the exhaust cam. I just don't remember exactly what it was. Anyone have any thoughts? Are there any other differences on the harness and ecu.
Thanks
   
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tuusinii
Pro
Posts: 1031
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posted August 18, 2013 11:13 PM
Yes the CAM sensor pick up is diffently positioned. And also the '01 ECU needs the speed sensor signal the '00 ECU doesn't need. But if you changed the whole wiring harness the CAM position sensor position has to be moved.
But did you check the easy things first: side stand switch, clutch swich? And did all the other sensors connect right to the wiring harness? I remember that there was couple of connector differencies for example for the IAP sensor as in '00 you could connect it and TPS in cross and that would destroy the IAP. But in later they changed the connectors... But those should initiate FI codes...
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Wayne Palmer
Parking Attendant
Posts: 9
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posted August 19, 2013 04:22 AM
Yes all other sensors checked good.. TPS is correct. On the cam position sensor, Do I need to pull the valve cover and change the position on the pick-up on the end of the can? Or can I do something with the sensor itself?
What do I need to do for the speed sensor signal?
Thanks for the help
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tuusinii
Pro
Posts: 1031
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posted August 19, 2013 04:35 AM
Yes you have to remove the cover and the CAM and it needs some machining to change the position. Probably with search you can find the detailed instructions. Or if you have the CAM from the 01 available you can just change that to the '00 motor.
About the speedsensor I think you don't need to do anything. The signal to ECU and speedo is allready splitted in the '01 wiring harness itself.
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Wayne Palmer
Parking Attendant
Posts: 9
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posted August 19, 2013 11:51 AM
That was to easy, up and running now. Thanks for the help
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tuusinii
Pro
Posts: 1031
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posted August 19, 2013 09:44 PM
So what did you do: change the CAM or the pickup? Good to hear you fixed it anyhow...
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Wayne Palmer
Parking Attendant
Posts: 9
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posted August 20, 2013 04:36 AM
yes pulled the pick up off files the tab off and reinstalled it with loctite. started right up after that. I went ahead and pulled the injectors out of it yesterday and sent them to MPS to have them cleaned. Bike has been setting since 2006. I figure I already cleaned the tank and replaced the pump this probably would not be a bad idea. since I was already here.
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