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Visionary
Posts: 8144
New Bohemia, VA | Okay, now that I'm more familiar with the top access plate, if that is installed, where does the air come in? through the intake plate or through the airbox at the filter. I'm not picturing the set up in my mind yet. |
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Visionary
Posts: 3773
Pittsburgh, PA | hey Victory Bill what part of ohio are you in.. Im just south of Pittsburgh pa.. you know home of the SuperBowl and Stanley Cup champs! LOL
Chris
victorybill - 2009-06-23 9:25 PM
the fix that ScoreBo has was a collaboration of trial and error with Victory engineers and our mechanics working together via phone for countless hours. However the engineers could not come out and say to do this to the bikes. (EPA) Polaris/Victory will not take credit for it bc they did'nt figure it out!! Our tech did. It has been working great for all the bikes we have done, and have even noticed some increased performance in particular to 2009 Jackpots with Swept system. If any are in Ohio area and would like to have this done please contact me. |
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Visionary
Posts: 3773
Pittsburgh, PA | anyone have photos of what exactly you disable with this "fix" |
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Iron Butt
Posts: 1117
Northeast Ohio | varyder - 2009-06-26 6:59 PM
Okay, now that I'm more familiar with the top access plate, if that is installed, where does the air come in? through the intake plate or through the airbox at the filter. I'm not picturing the set up in my mind yet.
On your stock setup, it pulls air thru the air filter only under the headlight. If you were to add Lloyds intake plate (it would replace the access plate), it would pull it from that AND the air filter.
Here is a pick of Lloyds replacement.
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Visionary
Posts: 8144
New Bohemia, VA | Thanks Scorebo, I'm sure I could have search that out on the forum as that is a simple explanation. I'm sure I would only want to do this with performance pipes and the cam, as for stock it wouldn't do much good unless I had a new flash.
Is the filter for the plate replaceable or cleanable?
By the way, went for a ride with the better half last night and enjoyed a pop free evening except the one from the store.
Plan on putting 300+ today going to N.C. and look forward to see how it does. |
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Visionary
Posts: 8144
New Bohemia, VA | varyder - 2009-06-26 7:10 PM
Okay, found my vacuum leak, at least one of them, but I think I'm done with all the shinanigans and ready to see how things go from here.
Under the console, or big remote, where the radio display and buttons are is your airbox. On top of the airbox is an access panel that is fixed with 6 bolts. Rubber side goes down as the manual would say, but what a crappy job there. I pulled the panel off and look and only about 25% of the rubber material has an imprint, the rest looks as if it has never made contact with the airbox. Also, there is distinct evidences of pop flash out of the rear part directly above the intake ports. I would have taken pictures but it always proves that my best shots are of Big Foot or Loch Ness quality and it wouldn't prove anything.
So I clean all this up and get some silicon RTV and run a bead around for a better seal. I hesitant to say I found a cure because that will just disproves all the other "fixes" so I'll go happily and merrily along my way.
One thing I have noticed is this machine runs hot, at least 20 to 30 degrees according to the dipstick, not me, the thing that I use to check the oil. It is also running very lean as oppose to before when I had the leaks it was running much cooler and richer. My tail pipes doesn't even look like that there is any soot and I'm starting to actually see rust. So I'm going to clean them up and paint it flat black for oldtimes sake.
By the way, on the oil, I'm running Vic dino/syn blend and I'm using plugs from my dealer, so right now I'm 100% Vic. 
I want to clarify as I was aptly corrected by KevinX on a post I made on theVMC that I found a "vacuum leak" on the airbox. Well, as pointed out, vacuum leaks only occur after the throttle plate and not before. However, in my excitement and finding clear evidence of intake backfire going between this plate and the airbox, I sealed it up to prevent any further unfiltered air from coming in.
So at this point, any non-popping issues that I'm having now can only be attributed to the exhaust leak being corrected.
thus the woes of forums and well-meaning misinformatijon. |
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New user
Posts: 1
| Mine has done the same thing only a couple of times in 18000 miles. I notice the bike will act up usually when I am barely on the throttle just taking it easy(very slow speeds) and I crack the throttle out of habit. LLoyd has made it very clear that these bikes don't like to have the go flipper cracked. I just can't stop doing it so I live with it! |
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Iron Butt
Posts: 1117
Northeast Ohio | This is not a problem for me anymore. I crack the throttle all the time now.  I have also taken taken the bike from CrAkron OH to Raleigh NC with NO issues. Tar snakes in the rain don't count (scariest experience of my life in the curves in WV in a downpour). |
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Visionary
Posts: 2118
Pitt Meadows, BC Canada | Since I got kevinXinated, my bike has been letting out some VICIOUS farts.
- usually only in the first minute or two of riding - but sometimes if I am barely on the throttle and maybe grab a bit too much (as per Super Trooper).
- I have adjusted my driving habits as a result - and the problem is now minimal - maybe once a day. Just don't be lazy on the throttle and lazy shifting.
But when it pops - it POPS - I think the exhaust pipe has blown itself apart.... |
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Iron Butt
Posts: 1117
Northeast Ohio | Super Trooper, this will be exaggerated with different pipes. If you are stock, it is hardly noticeable. Mine didn't do it at all when it was stock. |
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Visionary
Posts: 8144
New Bohemia, VA | I'm just saying. Unless you pull your header pipes you will not be able to see if it has been a leak or fix the leaks that come for that area. I pulled mine and it was a mess. Cleaned the ends up and replaced the gaskets and I'm now one happy camper.  I'm just saying...
I save the pop for when I stop at the quik-mart... |
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Iron Butt
Posts: 725
Reno County, KS | kevinx - 2009-06-24 5:35 AM
*LOL* May have taken countless hours to pry the info out of them, but both J.A., and Bob have known about this for better then a year. If you look on the VMC a guy with the screen name Cook06Vegas put up detailed instructions in like March of 08. This trick is nothing new, and has been done to all the closed loop Jap cruisers for a while now.
Disabling this was exactly what we had to do to get the exhaust pop out of my V-star. Once I put aftermarket pipes on the bike, it would decel pop like hell every twist of the throttle. It was down right embarrasing. Sounded like a cheap Sportster with a hack job exhaust. Circumvented the AIS (kinda like IAC) and viola! NO backfire what so ever. If replacing my exhaust gaskets doesn't fix my decel pop on the Vision, I'll probably start digging around for the IAC. Did you pull the electrical plug under the left engine emblem?
Edited by bigwill5150 2009-08-06 12:13 PM
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Iron Butt
Posts: 1117
Northeast Ohio | Bigwill, I changed my header gaskets first, with the ones that Lloyd recommended. No difference. But go for it. I am jealous it worked for varyder. I went from stock bike / pipes to VFC3 and Big Honkers. NEVER had a pop stock, that I could hear, to popcorn machine. Changed the gaskets (which are a pain because of the 2-1 exhaust) and it made no difference. However, my stock solid metal gaskets showed signs of leakage. The recommended Victory ones from Lloyd are woven metal.
I was really hoping it would fix it(i am trying to help you set your expectations if you hadn't noticed). |
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Visionary
Posts: 8144
New Bohemia, VA | Scorebo, I won't discount that some IAC's are bad at all and yours might be one of them. I'm thankful mine is not one of them at this time. Having over a year to contemplate this I wanted to make sure that it was fixed, the exhaust leak, once and for all. I'll probably pull my pipes again in another year when I do the belt again, and replace the gaskets, possibly with Lloyds suggestion. I'm not doubting your ability, but I would make doubly sure there is no leaks anywhere in your exhaust. I took a suggestion I believed that David White made and that is to use grease around the exhausts joints, not the gaskets, but the joins of each section of the pipes. What should happen is that it will leave a residue that will create a better seal. I believed that helped me in my endeavor. I'm not only glad the popping is going, but the tickin' for the leaks are gone and I"m impressed in how quiet the motor sounds in comparison. Double check all your joints and see if there maybe any leakage, I think you may still have one either at the two-in-one or at the cross-over. There's one more thing I might do, is to loosen the header pipes up and make sure they are square on. I know they seem simple to put on, but I had to fiddle with them just a little to make sure they were square on.
Edited by varyder 2009-08-06 9:03 PM
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Iron Butt
Posts: 1117
Northeast Ohio | Chris, I am open to anything as I just want it to be 100% fixed. It just amazes me that I only disturbed from the cats back, never had a single pop with the stock exhaust and then it sounds hideous. Believe me, I torqued the clamps that I removed down to proper specs. My deal even inspected the exhaust and told me I didn't have a leak.
I am going to tear it down again and see what I can get. |
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Visionary
Posts: 8144
New Bohemia, VA | I don't want to run down my rat hole, but it burned me a little when I was basically told to live with the popping, they all do that. That was even after I told them I felt that I had an exhaust leak, one of the top checks in troubleshooting. When I told them I fixed the pop by fixing the exhaust leaks, they said "don't it feel good when you find that a problem is something simple." Anyway, I offer no guarantee, it is that I went through the exhaust carefully, especially when I put it back together. I was pleasantly surprise when it was 95% better right after, and then after a few days of riding it has been a joy. I'm not sure what made the difference after that day or two. Funny thing is that I took pictures of the ends of the header pipes so I could send them to Victory, but they came out in Lock Ness picture quality. I think I was too close. I still got the gaskets though. I feel your pain dude...
Edited by varyder 2009-08-06 9:40 PM
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Tourer
Posts: 404
San Antonio, TX United States | Just to clarify, i usually use my finger and wipe a thin film of engine oil over the joints so there is no binding when your wrenching down on the clamp. Any residue will usually bake off. May smell funny for the first ride out, but it goes away. The carbon residue will have a tendency to gum up and seal any cracks. The alternative which may be better, is get some exhaust grade RTV, usually a copper color. use sparingly on the joints.
I will be doing some inspections on the access plate in the future on a couple of key Visions i have had issues with over the last year. I replaced a fuel pump on one vision and it did not completely cure his popping, but the bike quit stalling. |
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Visionary
Posts: 8144
New Bohemia, VA | yeah, you did say use engine oil, but I figure the grease would leave a better residue. I also like the smoke and smell for about 10 miles afterwards. My access plate showed a long time popping issue where it was a dark brown between the plate and airbox. I got excited thinking that leak had something to do with the minor popping, but was corrected on that issues. I still need to run something down the throat so I can clean out all that carbon build up. |
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Tourer
Posts: 404
San Antonio, TX United States | I like the smell of burnt great as well, but some people probably think thats to acrid. lol |
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Iron Butt
Posts: 1117
Northeast Ohio | Looks like I will have a nice rainy weekend to work on this. I'll let you know. I am about 95% pop-free now. Shoot for NO pops. Keep your fingers crossed. |
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Iron Butt
Posts: 1117
Northeast Ohio | Here are pics of my gaskets when I originally replaced them.
Comparison of old (solid) vs. new vic woven ones (part number on the bag if anyone wants to get some).
Here are my back (left) and front (right).
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Exhaust Popping - IAC appears to be the problem
