Quote:
Originally Posted by Norway
Recently I have noticed a sound from the bike ('11 250R) when driving.
It's not easy to describe, but is some sort of "scratching" noise. I hear it clearly
on my daily commute, mostly going at 60-65 mph.
When I pull in the clutch it stops immediately.
Some rotating parts seem to contribute to the sound/noise. It's not very loud.
(It reminds me slightly about a dog scratching himself intensely)
It's like a surface scratches another surface several times a second
(when going at the typical speeds metioned).
Immediately I thought it has something to do with the clutch itself.
The chain seems to be worn. I doubth that it's from the chain, but
using the clutch could maybe change the stress on the chain, which could
turn the sound off and on?
Anybody that have experienced what they believe is the same kind of sound?
Any idea about the source?
Thanks.
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I picked up the bike from service yesterday. The chain and sprockets have been changed for new items. The noise is gone.
The previous chain did not stretch out, at some places. This made the scratching sound, when driving. It also lead to a very rapid detoriation of the sprockets.
So, the clutch was not the source, in my case.