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post #1 of 19 (permalink) Old 04-01-2018, 07:08 PM Thread Starter
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Question Plug

Hello everyone. I bought my Voyager back in 2010 and soon after put on Cobra Tri oval aftermarket exhaust. To keep it from popping or back firing I installed a plug in the hole on the right side top left corner that is under the right hand engine cover. I have now just got back my ECU from Ivan and was wondering if I keep the plug in or take it out or does it matter either way. Thanks in advance for your answers.
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post #2 of 19 (permalink) Old 04-02-2018, 10:53 AM
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I also have that line plugged on my vaquero. while I dont have my ecu ivanized YET, Im pretty shure ivan turns off that system off when he reprograms the ecu.

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post #3 of 19 (permalink) Old 04-12-2018, 09:23 AM
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Mine is not plugged and I haven't heard a single pop since I got my ECU back from Ivan.

2012 1700 Voyager
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post #4 of 19 (permalink) Old 04-12-2018, 06:15 PM Thread Starter
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Mine is not plugged and I haven't heard a single pop since I got my ECU back from Ivan.
Thanks T Gibbs for your reply. The popping was so bad I put the plug back in and that quieted it back down. I have looked for an exhaust leak but found none. Maybe going about it the wrong way. Also do not feel much of a difference before Ivan and after Ivans update. I did get the 98 error code thought so I know he updated it.
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post #5 of 19 (permalink) Old 04-12-2018, 07:41 PM
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So yours is popping after Ivanizing it? I assume you told him what exhaust you have on it. You must have an exhaust leak. Mine used to pop like crazy from my house to the stop sign because it’s downhill so I’m not on the throttle. Since the flash it hasn’t popped at all. You may want to replace the crush washers where the pipes come out of the jugs, and seals where the slip ons attach. One of those is more than likely where your leak is

2012 1700 Voyager
Cobra Slip Ons
Kuryakyn Grips
Kuryakyn Highway Pegs
Klock Werks Windshield
Mustang Seat with Driver Backrest
Kenwood Stereo
Soundstream Amp
Engineered adapters with 6-1/2"Polk Audio Front Speakers
Kawasaki Rear Speaker Pods with Polk Audio 5-1/4" Speakers
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post #6 of 19 (permalink) Old 04-15-2018, 05:05 PM Thread Starter
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Thanks T Gibbs, that is what I was thinking of doing.
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post #7 of 19 (permalink) Old 05-20-2018, 05:50 PM Thread Starter
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Hello. just want to put this out for general info. A while back I asked for help about having popping noise out the exhaust when decelerating. This was happening after I got the Ivan update. After looking for any exhaust or intake leaks as many of you had suggested I gave Ivan a call and let him know what was happening. I told him I had to put the plug back in to make stop popping. As soon as I said that he knew what the problem was. Downstream of the hole I put the plug in is a Air Switching Valve and it had got bad. I ordered the valve and changed it out and now no popping noise. Everything works great. If you have a maintenance manual it is in section 5-13. part number 16126-1437. I have a 2010 Voyager. Just putting this out here in case some one else has the same problem. Thanks.
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post #8 of 19 (permalink) Old 07-15-2018, 12:13 PM
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Hi - I recently bought an 09 1700 Nomad with Cobra TriOvals. It backfires and pops on deceleration - too much. You said, "I also have that line plugged on my Vaquero." Did you do that to stop backfires and pops? Was it successful? Can you tell me what you did (steps) mechanically to reach the plug hole? If possible, could you post a pic of the hole you plugged or direct me to an online pic that shows the plug hole location? What you used to plug the hole? Thanks for any info you can offer on this subject.
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post #9 of 19 (permalink) Old 07-15-2018, 01:25 PM
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plug

If your refering to my post#2 then yes I put a kids glass marble in the air induction system or AIS as others call it. the idea is to block the hose for the AIS system located behind the right side air intake cover. If you lift the back end of the gas tank up you will see the hose at the top of the cover. remove the hose at the back of the cover with a pair of needle nose pliers and put the marble in the hose and reinstall it on the cover. you may have to put a bit of oil on the marble to get it in as it is a tight fit. THATS the mod. after doing that 95% of the back firing was gone. you will still hear a little bit of burbbling now and then but not near as loud and sharp as before. since doing that I have since then had my ECU IVANISED. this is by far the BEST thing you could ever do for your bike.
ivansperformanceproducts.com check out the web site.
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2015 vaquero ABS SE {carbon grey}
12in. windshield
k&n air filter
freedom performance true duals
ivans ecu flash
kuryakin longhorn cruise pegs
sagebrush saddlebag chaps
oem aux lights
grasshoper driver backrest
black isso grips
chucksters risers
isso grip helmet locks
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post #10 of 19 (permalink) Old 07-15-2018, 08:21 PM
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Hi rozie - Thanks for the reply. I've attached a pic of the right side air induction area. You'll see an arrow and circle pointing to a black hose, which has an OD of about 3/8". Is that the hose that needs marbled for reducing backfires/pops on deceleration. Thanks for confirmation or correction.
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