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Message started by raydawg on 02/11/13 at 18:47:01

Title: Chirping....
Post by raydawg on 02/11/13 at 18:47:01

I ride my bike almost everyday here in the Pacific Northwest, and as you know, we get a lot of rain....it sets outside at work too, in the rain. It just turned 3000 on it and I have started to notice a chirping sound when I fire it up from sitting (cold). I haven't done the lubing yet, or changed the air filter, I know I should soon. Any idea as to this noise, where I might look, it seems to be a "pulley" type noise while I'm sitting still. Sorry I'm so vague, but there is so much wisdom here I thought it worth a chance....THANKS!

Title: Re: Chirping....
Post by Borracho on 02/11/13 at 19:15:26

my belt does that when it gets wet

Title: Re: Chirping....
Post by Oldfeller on 02/11/13 at 19:30:48


Well, we've done these cold bike chirping noises with nothing rolling or revving (non-belt, non-engine noise) before and the very best (funniest) of the lot had to be the Atomic Cricket.

If your noise stops when your pipe gets hot, look to your bracket, mount bolts, header nuts etc before you get the flashlight and start to looking up inside the muffler for the little mutated nuclear cricket what has moved into your muffler to stay warm ....

(broken baffle inside the muffler rubbing while cold, expands when hot and the noise stops)

:D

If you can catch that Atomic Cricket you can sell him on Ebay for thousands of dollars .....


Title: Re: Chirping....
Post by DavidOfMA on 02/11/13 at 21:37:22


3F3635272A636364530 wrote:
my belt does that when it gets wet

Same here. On my bike, it's the belt. Didn't happen on dry days, but as soon as the dew started to settle it would chirp in the morning.

Title: Re: Chirping....
Post by Serowbot on 02/11/13 at 21:48:04

Belt chirp, only happens when the bike is rolling...
I'm guessing it's the speedo mount bezel,.. or the headlight ring...
When you hear it,... touch/press/jiggle those...
;)...

Title: Re: Chirping....
Post by thumperclone on 02/11/13 at 22:35:20

if its coming from behind your left ankle check the pad that goes between the pully cover and the belt guard
that cricket drove me batty for weeks

also put your hand on the speedo see if the cricket is hidin up in there
some old post fix its on that one

Title: Re: Chirping....
Post by jcstokes on 02/11/13 at 23:44:49

If the chirp sounds like a loose or rattly ball bearing it could be the speedo, put your hand on it while riding and this will prove it one way or the other. The fix is on page 3 of the tech section, post 2.

Title: Re: Chirping....
Post by Dave on 02/12/13 at 06:24:53


3E383535313833343E3F285A0 wrote:
[quote author=3F3635272A636364530 link=1360637221/0#1 date=1360638926]my belt does that when it gets wet

Same here. On my bike, it's the belt. Didn't happen on dry days, but as soon as the dew started to settle it would chirp in the morning.[/quote]

He said this noise happens when he is sitting still.....with the engine running and the engine cold.

THe belt would not make the noise when he is not moving.  If the noise goes away when the enigne is warm....not sure why it would go away if it was a headlight or speedo rattle...but they are worth checking.  It could be the gasket at the header to cylinder leaking, see if the bolts are snug but don't overtighten them.  As OF stated, it could be something in the muffler is loose.  Can you give us an idea what direction the chirp is coming from?


Title: Re: Chirping....
Post by justin_o_guy2 on 02/12/13 at 07:21:09

Book says Tighten header bolts when its cold. Dont wanna tighten them hot then watch them get shorter when they cool, I guess is their thinking,,
Much better to have to snug them every few months than fix a busted one,ever. I use a 1/4" ratchet with thumb on the head & open fingers being closed to tighten it. No arm, just fingers. I can feel it come tight that way. Thems some way skinny little things.

Title: Re: Chirping....
Post by hexnut on 02/12/13 at 07:53:26

:(

Title: Re: Chirping....
Post by raydawg on 02/13/13 at 18:32:59

Yep....it sounds like all of those!  :o

Thanks all, you gave me a place to start looking!

Title: Re: Chirping....
Post by Fipronil on 02/23/13 at 18:18:48

I have the same chirp.  Almost sounds like the old Volkswagen beetles.  The search continues!

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