Popping On Decel - Victory Forums - Victory Motorcycle Forum
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post #1 of 22 (permalink) Old 02-20-2013, 11:44 PM Thread Starter
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Default Popping On Decel

Was asking some questions on the Cobra PowerPro thread, but they were being over run by the "King of the Hill" Cobra vrs Power Commander bickering that was being flung back and forth over.

So I thought maybe a new thread might draw out some answers?

Background - In the fall I bought a new to me 2011 Ness XC that I was told had a stage 1. On the few trips I did last fall it was popping alot on decel.

I have read and keep following the Cobra thread, but I am still uncertain on what I should do. my intent is to:

Install a Lloyds high flow air filter and Idle Air Valve

I would like to leave the O2 sensors plugged in (seek advice here)

I am trying to avoid having to purchase a fuel manager and doing a dyno. If I must to get rid of the popping? I will get either a Cobra Powerpro or a Power Commander V w/auto tuner. However, I don't need the performance to win a 1/4 mile just would like my bike to run well. If I don't really need a fuel manager I won't bother (seek advice here).

Dez
Winnipeg, MB, Canada

2011 Ness XC #46 - Lloydz HF air filter, IAV, timing wheel, and 1/4 turn throttle; Vic. 210 performance pipes; PCV w/Autotune; and removable passenger backrest.
2002 HD Road King (Firefighter edition) - Big bore kit; HD clutch; Ness "Big Sucker"; PC III (dyno'd & mapped); Mustang seat; and removable windshild & back rest w/custom luggage rack.
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post #2 of 22 (permalink) Old 02-21-2013, 05:08 AM
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Could try unplugging the sensors and see if that helps .. Can always plug them back in if no change ..

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post #3 of 22 (permalink) Old 02-21-2013, 05:38 AM
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You don't know if the bike has the stage 1 download or not... that information would be kind of handy.

http://www.kingpin-riders.com/articl...e=59691&fid=40
^^^click^^^up^^^here^^^

In any case, no matter what fuel controller you use, or even with the stage 1 download, you will be unplugging those O2 sensors. It's free to try it... not irreversible. Try it right now.

If they bother you being there and not connected, there's a fix for that too.
http://www.cruisercustomizing.com/ar...part/AN-05-991

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post #4 of 22 (permalink) Old 02-21-2013, 07:52 AM
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Default Re: Popping On Decel

If you aren't looking for any performance gains just trying to get rid of the decell popping...i would highly recommend Lloyds IAC as you stated before. No performance gains but overall throttle response is better along with "tip in" throttle...blipping the throttle. There isnt any NEED to install lloyds air filter when doing the IAC.

As for a fuel controller....well grab your favorite beverage and hit the search bottom for fuel controllers..and prepared to get up for refills.

I too agree, try disconnecting the O2 sensors and riding it for a bit. If you follow the single wire coming off the sensor about 8-10 inches later you will find the disconnection point...front sensor that would be under the cover that hides your battery...the back one is just aft of the motor basically resting on the tranny.

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Last edited by beast30; 02-21-2013 at 07:57 AM.
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post #5 of 22 (permalink) Old 02-21-2013, 08:37 AM
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Quote:
Originally Posted by beast30 View Post
If you aren't looking for any performance gains just trying to get rid of the decell popping...i would highly recommend Lloyds IAC as you stated before. No performance gains but overall throttle response is better along with "tip in" throttle...blipping the throttle.
+1. The IAV was by far the best mod I made to my bike.

I also installed the Lloydz air filter, not really for more power, but for the extended lifetime of the filter itself vs the OEM filters. What I personally have come to like about it is the nice throaty growl it adds to the bike. Puts a smile on my dial every time I twist the throttle

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2012 Cross Country Tour Pearl White, D&D slip ons, PC5+AT, Lloydz IAV, Lloydz High Flow Air Filter, Digital Guard Dog keyless ignition, Shorty antenna flipped and hidden, Witchdoctors Brake and Shifter bushings, New tank badges
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post #6 of 22 (permalink) Old 02-21-2013, 08:50 AM
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Trial and error can be expensive too. Decel popping is usually a sign of unburnt fuel in the exhaust, is it not? Or maybe there is an exhaust leak at one of the connection points. Donut gasket to cylinder head would be a good place to start checking. Had 2 different bikes with that problem. Vics are notorious for this and it seems that there are different remodies too.

Buy the LLoyds filter. All that have it have no regrets. It's an awesome piece. The IAV is not to expensive and will only improve your bikes idle and possibly remove your popping. No matter it is an improvement to the stock set up. (My next purchase).

Disconnect your O2 's if you do the above. You need to richen the mixture at least to take advantage of more air coming in. If you insyall after mkt pipes (not stg1) than you have to look at controllers.

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post #7 of 22 (permalink) Old 02-21-2013, 10:54 AM
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+1 on the IAV - it all but eliminated my popping. A smooth hand on the throttle helps too - don't chop or slam it closed. BTW, if you (or anyone) is going to remove the O2 sensors, you can get hole plugs FREE at any muffler shop. Pipes and cats come with 'em and they just throw 'em away. Ask an installer, he'll give you a pocket full. I got the type that have a socket recess so they go in flush with the surface.

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post #8 of 22 (permalink) Old 02-21-2013, 11:19 AM
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Default Warranty?

Regarding the disconnecting of the O2s, if down the road there is a problem with the bike, can the shop tell if you have been riding around with the O2s diconnected, hence voiding the warranty? Just curious?


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post #9 of 22 (permalink) Old 02-21-2013, 11:28 AM
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Not if you reconnect them before taking it in to the shop.

2010 Midnight Cherry XR. 7Jurock, Lloydz AF, ATS, AFR tuned VFCIII, IAV, and T-6 and locally repacked pipes = big smiles. SOLD to a dear friend, so it's still in the family."
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post #10 of 22 (permalink) Old 02-21-2013, 11:50 AM
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Would plan on doing that, just wasnt sure if readings were recorded somewhere.
Thanks RICZ


2012 CCT- stage 1, Lloydz A/F, PCV, cams and dyno by Kyle, Lloydz ATS wheel,
sat radio w/ RAM mount
air horn(fairing), high beam HID,
RF amp w/polk db6501 frnt spkrs, Vic drvs backrest, 7Jurock 15" flip,
Pass handholds
Kuryakyn pegs
Cree LED lights on custom aluminum light bar.
Vic saddlebag covers, AirHawk R,
JEGS Heat Tape, AMSOIL 10W40
Rear Saber Lights

2012 Suzuki Vstrom
2006 Vulcan Nomad- sold
2003 Honda Spirit-sold
Long Island, NY
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