RE: 03 Road King EFI Sputter
First, I would check the primary chain adjustment. If it is loose, the bike will surge at low speed. My '06 Heritage did it new. A quick trip to the dealer and a little adjustment and the problem was gone. Also, if you have a performance after market exhaust without a high flow air cleaner and stage one download, you have release the back pressure on the cylinders affecting your off idle torque. Doing the AC and download will bring the off idle torque back by increasing the firing pressure off idle.
Let us know what you find, and congratulations on your new ride!
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'06 FLSTCI
SE intake
SEII muffs
25* injectors
Stage one "Race" download
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