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Discussion Starter #1
So, I was out riding today and my bike starts sputtering. Only once or twice to begin with, then within a couple minutes, it was sputtering pretty bad. I pull over, and the engine stalls. I tried to refire it and it runs for about 10 seconds then stalls again. I let it set for about 30 minutes and try it again. It fired right up and ran fine, just long enough to get me home (10 minutes), then the sputtering started again. As I pulled in the drive way it stalled again.

I contacted my local dealer and the only thing they could think of was to check and make sure the tank was venting. He said to open the gas cap and listen for a gasping sound as if the tank was pressurized, and also check the vent line. I did not hear any sound when opening the gas cap and the vent line looks clear from what I can see.

I have a 2011 vegas 8-ball with 5009 miles. I just recently (last week) installed the RPW big slash exhaust, S&S intake, and had the dealer download the S&S 2-1 map. The bike ran fine for 250 miles since the install so I dont think it is related but I guess it could be.

Any advice would be greatly appreciated. I am planning on trailering it to the dealer tomorrow but I have not been impressed with their knowledge of Victory bikes so far so I thought I would ask the experts on here.

Thanks.
 

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So, I was out riding today and my bike starts sputtering. Only once or twice to begin with, then within a couple minutes, it was sputtering pretty bad. I pull over, and the engine stalls. I tried to refire it and it runs for about 10 seconds then stalls again. I let it set for about 30 minutes and try it again. It fired right up and ran fine, just long enough to get me home (10 minutes), then the sputtering started again. As I pulled in the drive way it stalled again.

I contacted my local dealer and the only thing they could think of was to check and make sure the tank was venting. He said to open the gas cap and listen for a gasping sound as if the tank was pressurized, and also check the vent line. I did not hear any sound when opening the gas cap and the vent line looks clear from what I can see.

I have a 2011 vegas 8-ball with 5009 miles. I just recently (last week) installed the RPW big slash exhaust, S&S intake, and had the dealer download the S&S 2-1 map. The bike ran fine for 250 miles since the install so I dont think it is related but I guess it could be.

Any advice would be greatly appreciated. I am planning on trailering it to the dealer tomorrow but I have not been impressed with their knowledge of Victory bikes so far so I thought I would ask the experts on here.

Thanks.
Start with the most likely suspect (and easiest to eliminate off the list): check battery connections.
 

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Discussion Starter #4
Thanks CrossRoads for the quick reply.

I checked the battery connections. They are clean and tight. I loosened and retightened to make sure. Problem still happening.
 

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Discussion Starter #5 (Edited)
Blueline, I filled up yesterday at a gas station that I frequent quite often. I put 65 miles on the bike since the fill up before any issue. Do you think it would take that long for the issue to occur if it was the gas?

Thanks for your advice aswell.
 

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Air intake sensor. Mine is brand new, when the tec was doing the test ride it was doing the same thing as yours. They did all kinds of trouble shooting found out the air intake sensor was dirty wiped it off and the bike was 100 percent.
 

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If it was running perfect after all the changes you made as you say for 250 miles, "probably" unrelated, unless something has come loose such as pipe fittings or header gasket.

But... sure sounds like bad gas or dirty injectors. I'd try some injector cleaner that you add to fuel, and also add some "water removal" stabilizer to see if you can flush the kootes out.

One other item to check is the program. Have them hook it all up again and check air mixture also see if your running way to rich anywhere (and check your plugs and wires - cheap repair to change plugs), but doubt it if as you say, all running good before.
 

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Discussion Starter #9
After tomorrow, when your up and running like you should, let us know what the resolution was.
I will. Hopefully it is nothing too serious/costly. It is absolutely beautiful here in NC right now, and I would much rather be on the bike, than the bike being on a trailer.
 

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Discussion Starter #10
I dropped it off at the dealer this morning. The problem was actually worse today. The bike wouldn't run for 5-10 seconds before shutting off. I put some fuel stabilizer and a small amount of injector cleaner in it last night but I honestly dont think it is running long enough to get anything circulated through the system.

They checked the fuel pressure while I was at the dealer and it was running around 50psi, which he said was within spec for the 2011 models. He said that the fuel pressure did not drop when it stalled out either. If I'm not mistaken this would eliminate the fuel pump and fuel filter. Although, I guess the fuel itself could still be bad.

I will let you guys know what I find out.
 

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Discussion Starter #12
Your not blipping throttle are you ?
Its a no no
No. I have tried giving it a little throttle to see if it would stay running, but it stalls with or without throttle. I have always let the bike warm up before I twist the throttle at all. I have revved the engine a few times showing off the new exhaust, but again it was only with engine temperatures up, other than that, no not at all.
 

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Discussion Starter #13
Thought I would give an update. The dealer is stumped. They hooked it up to their computer and ran a diagnostic program, but their in-house tech didn't see anything wrong. They said they have forwarded it to Polaris and are waiting on a response.
 

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Thought I would give an update. The dealer is stumped. They hooked it up to their computer and ran a diagnostic program, but their in-house tech didn't see anything wrong. They said they have forwarded it to Polaris and are waiting on a response.
Bro I just went through the exact same thing. Bike is sputtering won't run right stops running they get it to the shop the tec hooks it up finds its running rich they check for bad gas, check the program call polaris. Polaris says to check the battery. They do all that everything the tec sees says the bike is good (although rich) but it runs like crap. It was a dirty air sensor.
 

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Discussion Starter #15
Here is an update for those interested.

They have tried swapping out the tank to eliminate a number of things. They have also checked all of the various sensors for dirt or other issues. They have contacted a tech at Polaris who is now recommending they swap out the ECM. They told me that the ignition timing is running around 18-19 then it jumps up to 26 then falls down to -1 when the bike stalls out. Is this causing the bike to stall? or is this number changing because the bike is stalling? Im not familiar with how this works.

The bike is not running lean or rich, they claim it is where it should be. They said if the ECM does not work, they will be conferencing the Polaris tech and a S&S tech to try to figure it out.

Thanks to those who have responded.
 

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It never can be something simple, can it. Hard to believe this is that complicated. Now, it's a good thing the factory "pros" are on the case. Hope you're up and running soon. Keep the faith!!
 

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Discussion Starter #17
So after a week, they finally figured it out and got my bike fixed. After switching out the ECM, the check engine light came on. The code was for the cam shaft position sensor. They replaced it and the problem was gone. The dealer claims that there is something wrong with the S&S map that prevented my check engine light from coming on. Either way, it is fixed and it was covered under warranty, so I am satisfied.

Thanks again for the advice.
 

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I should have jumped in earlier. I had the same problem. My check engine light came on and the code indicated the cam was not where it should be. We searched for along time and found it in the right side case. =)
 
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