Exhaust popping and banging - Victory Forums - Victory Motorcycle Forum
 
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post #1 of 10 (permalink) Old 07-28-2015, 06:38 PM Thread Starter
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Default Exhaust popping and banging

I did my 500 miles service this morning on the Cross Country...a few hundred miles late but oh well. I used my service manual and went from front to back making sure everything was how it should be. I found my brake side floorboard mount had one bolt that was loose and then I got to the exhaust bolts at the motor the back port left hand screw was maybe finger tight at best the others were snug but no where near the 18 ft lbs it calls for. If you don't already know an exhaust leak will cause backfiring, popping or whatever you decide to call it. Mine wasn't but it was also just a matter of time before it would have started so before you blame a tune or a multiple of other things check your exhaust port bolts. Everything else on the exhaust was fine including all the fasteners on the bike. Belt tension was spot on and were the cables. Now I know my bike a LOT better.

2015 Cross Country (bought new 7/11/15)
2015 Suzuki V-Strom DL650 (bought new 4/26/17)
2006 Triumph Rocket III Classic
1/4 turn throttle ring
Tank riser
VM-1 DR cams
Timing wheel +4
Lloydz high-flow air cleaner
Bassani baffled OEM mufflers
PC-V 118hp 116tq
If it's not broke, make it better
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post #2 of 10 (permalink) Old 08-02-2015, 01:47 AM
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Thanks for the heads up Vindex. It sounds like your dealer did not do a proper setup if you found all those loose fasteners.

Present ride - 2013 Victory Vision, black, ATW at +3, Lloydz air filter and adjustable intake, PC5, 30,xxx miles
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post #3 of 10 (permalink) Old 08-02-2015, 06:18 AM Thread Starter
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Exhaust bolts can come loose but the others shouldn't.

2015 Cross Country (bought new 7/11/15)
2015 Suzuki V-Strom DL650 (bought new 4/26/17)
2006 Triumph Rocket III Classic
1/4 turn throttle ring
Tank riser
VM-1 DR cams
Timing wheel +4
Lloydz high-flow air cleaner
Bassani baffled OEM mufflers
PC-V 118hp 116tq
If it's not broke, make it better
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post #4 of 10 (permalink) Old 08-02-2015, 11:15 AM
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vindex

after a couple rides check the exhaust bolts again. Not sure why they work there way loose but they do.

You can bet the dealer would of never found the floor boar bolt being loose.

Good job

2008 Vision
Mpls, MN.

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post #5 of 10 (permalink) Old 08-02-2015, 12:16 PM Thread Starter
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Quote:
Originally Posted by visionjohnny View Post
vindex

after a couple rides check the exhaust bolts again. Not sure why they work there way loose but they do.

You can bet the dealer would of never found the floor boar bolt being loose.

Good job
Thanks, I also found the two top chin spoiler Allen screws one was gone the other was backed 1/2 way out.

2015 Cross Country (bought new 7/11/15)
2015 Suzuki V-Strom DL650 (bought new 4/26/17)
2006 Triumph Rocket III Classic
1/4 turn throttle ring
Tank riser
VM-1 DR cams
Timing wheel +4
Lloydz high-flow air cleaner
Bassani baffled OEM mufflers
PC-V 118hp 116tq
If it's not broke, make it better
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post #6 of 10 (permalink) Old 08-02-2015, 02:14 PM
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Good reminder here mine are due for a check , no noise but might catch something before it starts.
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post #7 of 10 (permalink) Old 08-03-2015, 08:28 AM
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What made you trade the harley for the CC ? I must have missed that thread. Good luck with it.

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post #8 of 10 (permalink) Old 08-03-2015, 08:37 AM Thread Starter
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I've wanted one for a long time and the price, tradein was good.

2015 Cross Country (bought new 7/11/15)
2015 Suzuki V-Strom DL650 (bought new 4/26/17)
2006 Triumph Rocket III Classic
1/4 turn throttle ring
Tank riser
VM-1 DR cams
Timing wheel +4
Lloydz high-flow air cleaner
Bassani baffled OEM mufflers
PC-V 118hp 116tq
If it's not broke, make it better
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post #9 of 10 (permalink) Old 08-03-2015, 08:49 AM
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Quote:
Originally Posted by visionjohnny View Post
after a couple rides check the exhaust bolts again. Not sure why they work there way loose but they do.
The nuts don't 'work loose', the gaskets crush down.

2006 Victory Kingpin
Lloydz 116" Stroker/Big Bore, .495 Cams, Torque Tubes Airbox,
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post #10 of 10 (permalink) Old 08-04-2015, 10:00 AM
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My bike only pops on decel under 1750 rpms when running ethanol enriched gas. When running at least two tanks ethanol free gas in a row I can't get any sort of popping out of it. My wife's bike seems to be the same. We learned this this weekend . Not the cure I hoped for.

2012 Crossroads
2009 Moto Guzzi Stelvio
2001 Indian Spirit
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