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-   -   Help me find the source of a rattle... (http://hyperstrada.com/ducati-hyperstrada/4411-help-me-find-source-rattle.html)

Colly August 2nd, 2018 01:49 AM

Help me find the source of a rattle...
 
Just got a 2013 Hyperstrada, and in the last few days I've noticed a very annoying rattle. When between 3.5k and about 5k revs, I hear a rattle. Sort of sounds like change jingling in your pocket, or a set of keys or something - basically metal lightly vibrating against metal.

I'm 90% sure I never heard this when I first got the bike - and when I did it had to go back to Ducati for some work so I'm wondering would it be because of that.

Or is this just how it sounds? I find it very annoying. Must be loud enough if I can hear it over the wing and exhaust noise.

Any idea where it may be coming from?

ferdi August 2nd, 2018 02:27 AM

in which situation does it rattle ?
lower revs and full throttle ?
high revs ?
slowing down ?

as we do not hear the noise and do not have a crystal ball it's quite hard to do a remote diagnosis.

can you record the noise and put it on youtube ?
does it occur in idle also ?

RSL August 2nd, 2018 03:13 AM

My rattle was one of these loose heat shield bolts.

https://photos.smugmug.com/Hyperstra...5D8C531-XL.jpg

gatdammit August 2nd, 2018 03:57 AM

The heat shield pictured above is notorious for rattles. The bolts use a semi-rigid washer that wears out fast. I ordered a dozen of them when I first found it. Honestly, that heat shield also fades to a purplish color so worth replacing it with the carbon fiber version.

It's a rattle prone bike. It doesn't purr, it's growls.

bayotte August 2nd, 2018 05:08 AM

Yup, mine had a loose heat shield too. While you're at it, check the rear lower splash guard, those bolts are frequently loose as well.

kuksul08 August 2nd, 2018 10:22 AM

A good way to find rattles, as silly as it may sound, is to hit parts of the bike with a rubber or plastic mallet. The impulse excites all natural frequencies and will make things rattle if they're going to rattle (even if for a fraction of a second). I found a very sneaky rattle in my car this way which turned out to be a metal clip floating around in the air vents.

WhiteHyper August 2nd, 2018 10:00 PM

Similar type rattle, chased it for months.....was the heat shield. Fitted an extra washer, all good.

Happened when the bike warmed up, cold was ok.

Colly August 3rd, 2018 05:47 AM

Thanks all. I just checked the heat shield and it seems rock solid. I'll give the rubber hammer a go - not sure what else I can check really...

Ferdi these are good questions I'll try to figure them out and get back to you

monocog007 August 3rd, 2018 06:27 AM

Check the heat shield that covers the rear header under the fuel tank. And also check the little plastic cover over the license plate light, might be surprising but it can make a pretty loud rattle.

Demetrio August 3rd, 2018 08:00 AM

Yesterday I was washing my bike and I found some sources of your rattle :

1 Rear foot pegs
2 licence plate cover
3 Rear tire cover

Those threee make some rattle if you move them

I do not hear any while riding but with the bike stand still if you move them they rattle.


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