Join Date: May 2010
Location: Calgary, Alberta, Canada
Does the Hypercharger butterfly open at all? If not then that would definitely choke out the bike. If they do open, then a logical approach tells us that, if there were a vacuum leak somewhere, the bike would actually run lean, not rich. So it's likely not a vacuum leak. I have no frame of reference to which vacuum line you are using for the hypercharger, but are you certain it's the appropriate line? I am not overlay familiar with the 1300's carb so am not sure if there is a vacuum line, or any line for that matter, that without it, the carb would dump fuel.
Many have disconnected the Hypercharger butterflies as having caused more problems than they are worth, but have never heard of your problem specifically. When I first saw the Hypercharger I thought they were race inspired and kind of flashy. The earlier units were particularly poor performers, performing worse than the stock airbox in most cares. The later ones are much better, but now, to me, they are not to my taste at all.
'12 Road Glide Ultra, Kuryakyn Alley Cat intake, Jackpot Super Duals header, Jackpot HiRoller mufflers, PV Tuner, Daymaker LEDs
Last edited by Harkon; Yesterday at 01:46 PM.