Some late model problems that have come up with rough running engines in fuel injected bikes can be traced back to the wrong injector wires on the injectors.(swapped)

The front injector should have a plug with the wiring colors Y/GN & W/Y and the rear injector should have a plug with the wiring colors Y/GN & GN/GY.

More Info here.

Injector Wire Swapped - Harley Davidson Community (http://www.hdtalking.com/tech_tips/3191-injector_wire_swapped.html)