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Old 04-14-2009, 12:51 AM   #11
patrick_777
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Re: is a little chattering when clutch is engaged normal

Quote:
Originally Posted by Water Warrior
If the bike has too much of a chudder rather than a chatter I would suggest turning up the idle just a bit.
Listen carefully for the chittering though...that can mean a blown seal. Cheddaring has more to do with age and ripeness and is a sharper sound - sometimes "Extra Sharp"...

:banana:
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Old 04-14-2009, 09:39 AM   #12
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Re: is a little chattering when clutch is engaged normal

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Originally Posted by music man
Mine does that same thing, has ever since i have had it (almost 8,000 miles ago), when I first got it i thought the same thing you did, but I think that these bikes (most of them anyways) just do that.
:plus1:

There are different stresses on the throw-out and thrust bearings when there is no load (ie-no stress) and they make a different sound.
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Old 04-14-2009, 10:07 AM   #13
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Re: is a little chattering when clutch is engaged normal

its kind of a deeper mid range chugging sound i would say its probably in the 125HZ to 250Hz range of sound

Patrick, i was justt thinking i need to squash the bug on my computer screen, im gonna go and try to record a video now if its not raining

it is uploading on youtube now



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Old 04-14-2009, 10:25 AM   #14
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Re: is a little chattering when clutch is engaged normal

youtube video
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Old 04-14-2009, 10:57 AM   #15
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Re: is a little chattering when clutch is engaged normal

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Originally Posted by dannylightning
youtube video
My old ears couldn't hear any difference.
I DO think that it sounds like your idle speed is too low.......anybody else ??
Of course, maybe that is cold with no choke, in which case it might be about right.
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Old 04-14-2009, 11:16 AM   #16
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Re: is a little chattering when clutch is engaged normal

Quote:
Originally Posted by Easy Rider
Quote:
Originally Posted by dannylightning
youtube video
My old ears couldn't hear any difference.
I DO think that it sounds like your idle speed is too low.......anybody else ??
Of course, maybe that is cold with no choke, in which case it might be about right.
it was just getting warmed up, i rarely every halve to use my choke to start the bike so that was no choke
it was only running for a minute or two and its kind of chilly out this morning. the idol runs just a little faster than when it is fully warmed up but not much. im not exactly sure how fast the idol speed should be set and with no tack its hard to tell how many rpm's its running at


i can hear the difference when i watch the video. its not really distinct difference but it is there if you really listen, than again i have my computer hooked up to a hi end stereo

from some of these responses i got im thinking it's probably nothing to worry about
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Old 04-14-2009, 11:45 AM   #17
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Re: is a little chattering when clutch is engaged normal

Quote:
Originally Posted by Easy Rider
Quote:
Originally Posted by dannylightning
youtube video
My old ears couldn't hear any difference.
I DO think that it sounds like your idle speed is too low.......anybody else ??
Of course, maybe that is cold with no choke, in which case it might be about right.
+1 :2tup:
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Old 04-14-2009, 12:31 PM   #18
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Re: is a little chattering when clutch is engaged normal

Quote:
Originally Posted by dannylightning
from some of these responses i got im thinking it's probably nothing to worry about
Good conclusion.

As for idle speed......tach, what's a tach, we don't need no stinkin' fancy equipement; gauge by EAR. :biggrin:

No, seriously, listen to the video and notice how you can distinctly HEAR each time it fires.. clink, clink, clink. If it speeds up a little when warm, I assume that noise is much less pronounced, right?

If that is true, and it sounds a lot smoother when warm, you might consider using just a little bit of choke when cold; just enough to maintain a smooth idle. That lever does two things: Fast idle and enricher (choke). Typically, fast idle comes in first and then if you move it further, choke.

I'd be more worried about low idle speed than the slight sound difference that started this thread. OTOH, I seemed to be obsessed with idle speed these days and MAYBE the recording makes it sound worse than it really IS. :??:
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Old 04-14-2009, 01:17 PM   #19
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Re: is a little chattering when clutch is engaged normal

i take it low idol speed is bad for the bike, i was thinking that you could probably judge it by how man times it fires but wasent exactly sure. so i take it i should up the idol a bit, ill halve to go through he manual again and look up the correct idol speed.

yes the faster the idols the less noticeable the sound.
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Old 04-14-2009, 01:53 PM   #20
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Re: is a little chattering when clutch is engaged normal

I couldn't hear it in the video, but it sounds like it's running fine. +1 on the slightly low idle. This engine has only one cylinder, so when you set the idle on it, set it until you JUST think it's a bit too high, and that's about right. You'll never get a good lope out of it like you do a v-twin or an i4.
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