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Just recently purchased a used 98 zr600 efi. Drained the old gas, replaced the spark plugs. Sled is hesitant out of the hole. Do you have to take it to a repair shop to determine if the efi is working correctly?

thanks
 

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MacCat said:
Just recently purchased a used 98 zr600 efi. Drained the old gas, replaced the spark plugs. Sled is hesitant out of the hole. Do you have to take it to a repair shop to determine if the efi is working correctly?

thanks
You will need to take it to a cat dealer. They have a computer linkage that they use to tune and test the EFI system. I have noticed that on really warm days, my EFI does bog a little bit, but at any temperature below about 25 it runs absolutely beautifully thorugh the entire speed range.
 

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you can check the efi for codes at home depending on what style it is. the earlier models had a LED that would flash out trouble codes .not sure if your machine has it or not, if so it will be on/in the computer but visible from the outside(hood up)
 
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