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[Davestune]

i had  my lifters replaces to fueling lifters at 18K and a new header put on , anyway.   when i turn the ignition on, the bike makes a slurpling sound , a straw with a hole sucking sound. 
  Has anyone had this sound and is the pickup tube have a hole ?    runs ok   but I have not had the bike tuned yet with the header pipe, 
I only work on pans knuckles and flatheads so have not learned bout these new bikes

 bike is a 2016 CVO Limited

[Twolanerider]

From where is the sound coming?  Inside the gas tank maybe?  If not sure pull the gas cap and listen if that's where it's coming from.  If so hole in a line inside the tank or other issue inside.  Otherwise some idea of where the sound is coming from will be necessary to offer any reliable guidance.

[grc]

When you first turn the ignition on, the fuel pump briefly runs to pressurize the system.  That is a mechanical sound.  If the pump runs more than a second or two, and you hear gurgling or other noises, odds are you have a leak in the fuel system.  It's not just the lines that may develop a hole, but there have also been problems with the fuel filter housing a few years back.  As Twolane recommended, open the gas cap and listen closely as you turn the ignition on.  If you get something other than a very brief whirring noise from the pump, it's time to open things up and take a good look at everything from the pump to the filter and housing to the lines.

JMHO - Jerry

[chaos901]

If you listen when you only have a 1/4 tank of fuel you can hear it better, should the line inside the tank be leaking