Don't Remove Baffle and Is Blipping Needed on a Vic? - Victory Forums - Victory Motorcycle Forum
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post #1 of 98 (permalink) Old 09-13-2012, 08:20 AM Thread Starter
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Default Don't Remove Baffle and Is Blipping Needed on a Vic?

I picked up a used 2011 XR 2500 miles on it. The original owner told me he had the dealer "make the pipes loud" before ever picking it up. When I took the bike for a test ride it did sound great, but it backfired regulaly and popped constantly. I put a Llyods fuel Controller on it so I could add more fuel. Amazingly the bike would run best with the idle setting at its lowest (#1). whenever I tried to set the controller for more fuel the backfiring got worse.
Then the scariest thing happened. I was on the throttle quite spiritedly and came up on a nice right hand turn. I ked the throttle off as a entered a right hand turn and the back tire locked up completely! I was thrown on to the handle bars as the bike started a full slide, handle bars pinned on the stop to the left. I quickly grabbed the clutch and rolled to a stop.
WHAT THE ________?!!!

Best I can figure is the motor backfired bad enough to stop the motor solid.

TIME TO SOLVE THE PROBLEM. I took the mufflers off and realized they had NO BAFFLES AT ALL ( no wonder it sounded so good).
I ordered a set of Bassani slip ons and thank God it solved the backfiring and popping problem.

The bike runs best with the Llyods idle setting at 2 or 2.5 which is still suprising but I am not sure what the Dealer did to the settings when he took the baffles out. I alway thought back firing was a sign the bike is too lean not too rich. Oh well it runs good now.

I am not Mr. safety but I wanted to put this on a forum to say, No baffles and a backfiring bike almost caused me to crash big time. Be careful folks, my Victory likes back pressure and with out it, it is dangerous to ride.

Last edited by CrossRoads; 09-17-2012 at 01:46 PM.
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post #2 of 98 (permalink) Old 09-13-2012, 08:41 AM
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Not that I am doubting your experience... but something else besides having mufflers without baffles is going on here. Just doesn't compute.

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post #3 of 98 (permalink) Old 09-13-2012, 08:48 AM
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Originally Posted by handyhoward View Post
Not that I am doubting your experience... but something else besides having mufflers without baffles is going on here. Just doesn't compute.
I would agree. Are the O2 sensors still connected? Many recommended removign them if you have de-baffled the pipes but doing so "short cuts" the programming so unless you re-connected the O2 sensors, the tuner may not have been able to control the fuel correctly, right? Perhaps the bike has a history of other failures/lock ups that you simply did not know about & it may happen again in the future even with the new set up or not (if your new dealer changed the air/fuel map when he added the Bassanis...




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post #4 of 98 (permalink) Old 09-13-2012, 09:50 AM
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Do I understand you to say there is a Lloydz controller on your bike? If so, the O2 sensors must be disconnected.

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post #5 of 98 (permalink) Old 09-13-2012, 10:48 AM
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Default Similar experience

There has been the odd time when I am downshifting and my machine stalls. When I downshift I don't simply grab the clutch and then hit the shifter, I give it some gas as I am going down. This is how I decelerate. A small crack of throttle through each gear, quite typical.

Anyhow, every now and then the bike stalls when I am downshifting. The first time it did it I was new on that machine and the stereo was loud. As I couln't hear my pipes and wasn't looking at the dash, I just let out the clutch to keep down shifting and obviously my rear wheel locked up on me. That woke me up.

You maybe just stalled your machine. Mine was bone stock when this happened.

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post #6 of 98 (permalink) Old 09-13-2012, 11:28 AM
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Originally Posted by PrairieSon View Post
There has been the odd time when I am downshifting and my machine stalls. When I downshift I don't simply grab the clutch and then hit the shifter, I give it some gas as I am going down. This is how I decelerate. A small crack of throttle through each gear, quite typical.

Anyhow, every now and then the bike stalls when I am downshifting. The first time it did it I was new on that machine and the stereo was loud. As I couln't hear my pipes and wasn't looking at the dash, I just let out the clutch to keep down shifting and obviously my rear wheel locked up on me. That woke me up.

You maybe just stalled your machine. Mine was bone stock when this happened.
You can not blip the throttle

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post #7 of 98 (permalink) Old 09-13-2012, 12:32 PM
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You can not blip the throttle
Exactly. Had to break my brother of this habit (although I don't know why you would do it anyway other than for the sole purpose of hearing your pipes). I just decelerate
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post #8 of 98 (permalink) Old 09-13-2012, 12:38 PM
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Can you guys expand on what you mean for us noobs. "You can not blip the throttle"? Do you mean that you "should not"?

"I just decelerate". Do you mean by downshifting or just by using your brakes?

The reason I avoid downshifting is because of that annoying gurgling sound I get out of my unbaffled pipes. I do downshift some, but I also just use my brakes a lot. Is that bad other than just wearing out my pads?

Thanks for the info.

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post #9 of 98 (permalink) Old 09-13-2012, 01:01 PM
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I will use a combination of engine braking and actually using my brakes. The 'annoying gurgling sound' you get actually doesn't bother me at all. I actually don't get that unless I let the RPMs come down very low (<1500) while engine braking. I tend to use engine braking more because it does keep wear off your pads and adds no excessive wear to your engine.

You 'should not' blip the throttle because you are just dumping fuel into an unloaded engine. This tends to cause backfires through the intake quite often from what I have seen. Now I am by no means a Vic tech, but just going by what personal experience I have had.

Basically, I don't blip the throttle on any decel or waiting at a light. I rely on engine braking/brakes to slow down.

Hope that helps.
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post #10 of 98 (permalink) Old 09-13-2012, 01:02 PM
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It does thank you.

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