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Discussion Starter #1
Hey guys and gals,

This year after spring opening, I have started to experience some hesitation and pops, and was wondering what you would look at.

I open every spring with the following:

New plugs
Oil / filter

I also did, this spring:

Primary oil <when I did my M6 chain lifter>
Transmission oil

Even before the primary and tranny fluid, I was getting pops and hesitation. The pops happen on accel or decel, but mostly decel and the hesitation almost always happens on decel at 3k or more RPM's. I have been through multiple tanks of gas and almost exclusively run non ethanol gas. When I don't have a choice I also add stabilizer with ethanol remover. I almost never run my gas below a 1/4 tank and semi regularly use Lucas to keep things clean.

I have checked for codes and there are none in any of the categories.

I am at 19k on a 2011 and as far as I know the fuel filter has never been done (if this is a possibility)

After checking gap on my plugs they sat on my tool bench for a week or so and I didn't re-check them before putting them in, so I may look at those, but anything else you would look at specifically? Thanks for any input.
 

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Try replacing your air cleaner first, then look for intake leaks and exhaust leaks.
 

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Discussion Starter #3
Will do. I've got a big sucker that I cleaned early part of last season. I'll give that a clean again. THANKS!!
 

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+1 ^^^

Did you check for DTC's??
Check the 02 sensors a steady dose or semi steady dose of fuel injector cleaner isn't a good idea because it will screw up the 02 sensor readings to the ECM and cause running issues.
Also a cracked fuel lines inside the fuel tank or a warp fuel filter housing will cause running issues that will make the bike pop.
These bikes have a history of the fuel filter housing warping and HD did a recall on the 08 models because of this problem but some of the newer bikes have had warped fuel filter housings.
 

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Discussion Starter #5
Yes, thanks. I did check for codes and none.

I'll do some searching on how to check for fuel lines/fuel filter housing issue.

If I torqued my o2 sensor(s), it would show up in the codes, yes?

Thanks for the response.

+1 ^^^

Did you check for DTC's??
Check the 02 sensors a steady dose or semi steady dose of fuel injector cleaner isn't a good idea because it will screw up the 02 sensor readings to the ECM and cause running issues.
Also a cracked fuel lines inside the fuel tank or a warp fuel filter housing will cause running issues that will make the bike pop.
These bikes have a history of the fuel filter housing warping and HD did a recall on the 08 models because of this problem but some of the newer bikes have had warped fuel filter housings.
 

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The 02 sensors may not show up on the dtc if they are coated with carbon or soot, you may want to pull them and clean them.
I don't use any additives in my fuel anymore because it messed up my 02 sensors. I run a T-Max tuner with closed loop 02 sensors which is needed for the auto tune and I used fuel injector cleaner once and it threw off the AFR readings to my ECM, I had to pull the sensors and clean them up for things to get back to normal.
 

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Discussion Starter #8

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Hesitation

I recently changed my fluids and I replaced my cam gasket. To do so I had to remove the forward exhaust pipe. I replaced everything but at the time I didn't replace the exhaust seal. I rode to L.A. from San Diego and on the way back after I filled up she started hesitating. It only does it when I try to take off quick from a stop and once I'm riding if I try to get down on her she hesitates. I replaced the exhaust seal already and I'm stuck. Any ideas?
 
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