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Discussion Starter #1
Alright guys, I am getting desperate. I've had my wee for over a year now and it has just recently been infected with a mysterious rattle. As far as I can tell, it is down towards the bottom of the bike on the left hand side. It is most noticeable at slow speeds on bumpy washboard roads which I just happen to live on but I also hear it at higher speeds when hitting train tracks or deep grooves in the road.

I have tried tapping on random parts with a rubber mallet but havent managed to replicate the noise at all. I am getting to the point that I am about ready to mount the action camera on random parts of the bike to see if i see anything moving, but dont think it would help as I have tried jiggling any parts that could possibly move and everything is tight.

Are there any spots on these bikes that are notorious for rattling? Or does anybody know of any other ideas short of building some sort of vibration table?

Thanks for any help!
 

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$tromtrooper
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Fore or aft? Do you have a skid plate? Center stand? Is the centerstand bumper (on the exhaust) still in place?
 

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Discussion Starter #3
Fore or aft? Do you have a skid plate? Center stand? Is the centerstand bumper (on the exhaust) still in place?
It sounds like it is right below me, somewhere in the middle of the bike. No skid plate, crash bars or centerstand. Not sure what the centerstand bumper is, but I dont see anything attached to the exhaust.
 

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$tromtrooper
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It sounds like it is right below me, somewhere in the middle of the bike. No skid plate, crash bars or centerstand. Not sure what the centerstand bumper is, but I dont see anything attached to the exhaust.
It's a rubber disk mounted to a bracket on the exhaust that the center stand bangs into - on th '06, anyway. They are prone to come off. I replaced mine with a rubber stopper or something from the hardware store. Not an issue if you don't have a center stand.
 

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$tromtrooper
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It doesn't appear to be offered as a separate part. Below is my fix:
 

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No I dont have anything like that on mine
And you have a centerstand?
The bracket, but not the rubber?

Then, go to the hardware store (I got mine from Ace) and get a rubber disk or stopper about 2" in diameter (with a small hole in the center, if possible, or you may have to drill/cut one) and an appropriate-length nut and bolt and install it. See if that addresses your rattle. You will need to tighten the bolt down enough to pull the bolt head into the rubber so the center stand hits rubber and not the bolt. Not sure of the appropriate thickness, but take a look at the clearance between the c-stand the the bracket to get an idea.

First, you might just grab and rattle the c-stand around to see if it sounds familiar.
 

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Discussion Starter #8
And you have a centerstand?
The bracket, but not the rubber?

Then, go to the hardware store (I got mine from Ace) and get a rubber disk or stopper about 2" in diameter (with a small hole in the center, if possible, or you may have to drill/cut one) and an appropriate-length nut and bolt and install it. See if that addresses your rattle. You will need to tighten the bolt down enough to pull the bolt head into the rubber so the center stand hits rubber and not the bolt. Not sure of the appropriate thickness, but take a look at the clearance between the c-stand the the bracket to get an idea.

First, you might just grab and rattle the c-stand around to see if it sounds familiar.
Thanks for your reply LordSmoke. Sorry if my reply was confusing, but no I do not have a centerstand or any added accesories down below. I did go and check though and I do have the centerstand bracket but no rubber or bolt attached to it, which shouldn't be needed since I dont have a centerstand, correct?
 

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Discussion Starter #10
Check rear of chainguard where bracket is welded to the swingarm?
Thanks for the reply Nuke. I hadn't thought of that but just checked the chainguard and it is all tight. I also wrapped my homemade distribution block in a rag thinking maybe it was vibrating around but that didnt help.

I took a trip into town to ride a rough brick road and it was VERY noticable. Since there wasn't any traffic, I decided to investigate a little while riding. It sounds like it is coming from aroud the swingarm if that helps pinpoint it a little better. I will try mounting the camera on the bike tomorrow to at least get some audio to help understand what it sounds like, and maybe a cool video if I can cover up that dang rattling noise :thumbup:
 

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$tromtrooper
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Thanks for your reply LordSmoke. Sorry if my reply was confusing, but no I do not have a centerstand or any added accesories down below. I did go and check though and I do have the centerstand bracket but no rubber or bolt attached to it, which shouldn't be needed since I dont have a centerstand, correct?
Okay, then NEXT!. I would look at the chain, as others have noted. They jump around a good bit. Check the adjustment. Take a ride next to a barrier, lube the chain, adjust if necessary, and repeat. If lubing/adjusting quiets the chain, that's a big clue.
 

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tink tinkeddy tink

my bike had a tink tinkeddy tink

it only happened when I did NOT fasten the snap-fastener on the bottom of my construction safety vest, that I still wear

the snap fastener halves tinked against the gas tank

it took a long time for me to figure it out
 

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Discussion Starter #14 (Edited)
I will tighten the chain a little and retry. I tried that a month or so ago but I think I got it too tight because all I could hear was a rumble of the chain like it didnt have any slack at all. I did get a video this morning and am working on getting it on the computer, but it's taking a while
 
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