2008-2010 Kawasaki KFX450R Factory Service Manual, Page 115Get this manual

2008-2010 Kawasaki KFX450R Factory Service Manual, Page 115

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3-58 FUEL SYSTEM (DFI) Fuel Injector (Service Code 41)

If the output voltage is normal, perform "Injector Signal Test"If the output voltage is out of the standard, remove the ECU (see ECU