SuzukiSavage.com - Chatter or stack of bowls noise

Ebikerman

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Chatter or stack of bowls noise
09/07/09 at 18:50:03

I have a noise that seems to be louder since I have gotten used to riding this bike ('06 S40 Boulevard, 4000 miles with stock muffler) Noise comes on at a steady speed or on acceleration. Not on deceleration. I have even heard it at idle when standing behind the bike. Strange as it may be, the noise seemed much less after about 15 miles of riding. Engine runs and accelerates good, just makes a sound like a chatter or a stack of bowls rattleing on each other when being carried. When standing behind the bike with it ideling, it seemed to come from the exhaust pipe, but can't be sure about that. It does not sound like spark knock or detonation that I have heard before in cars. Could it be from the cam chain? I heard that they are flaky. I don't want that tensioner droping down into the engine. Any help would be appreciated. Dan

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2006 S40. Christian biker. Bikes rock, but there is more to life than bikes.

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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Chatter or stack of bowls noise Reply #1 - 09/07/09 at 18:56:24 I would try a good racing synthetic oil like Klotz,If your due for a oil change,Did you richen your carb at all yet.
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: Chatter or stack of bowls noise Reply #2 - 09/07/09 at 18:57:16 adjust your valves
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Ebikerman

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Re: Chatter or stack of bowls noise
Reply #3 - 09/07/09 at 19:01:29

New oil change with Mobile 1 20W50 synthetic V-Twin and just had a valve adjustment. Noise does not sound like a click as too loose valves sound. We did the carb enrichment by thinning the white washer. The bike already had the idle mixture screw out about 2 1/2 turns. I found that it actually runs better with the idle screw in to 1 1/2 turns. Thanks, Dan

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2006 S40. Christian biker. Bikes rock, but there is more to life than bikes.

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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: Chatter or stack of bowls noise Reply #4 - 09/07/09 at 19:24:13 If it's the cam chain adjuster, put your hand or foot on top of the clutch cover over the oil filter. it will clack right there.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Chatter or stack of bowls noise Reply #5 - 09/07/09 at 19:51:22 verslagen1 wrote on 09/07/09 at 18:57:16: adjust your valves +5
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thumperclone Serious Thumper Alliance Member Offline PGR rider riding with respect Posts: 6054 Grand Junction Colorado Gender:	Re: Chatter or stack of bowls noise Reply #6 - 09/07/09 at 22:05:06 check where the belt guard tucks in behind the front pullly cover..theres a rub pad that is supposed to be there ive replaced(they fall off)it twice on my 06
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vtail Senior Member Offline life's short, ride fast Posts: 408 Portland,OR Gender:	Re: Chatter or stack of bowls noise Reply #7 - 09/08/09 at 16:36:07 Loose Baffles in the Muffler (Muffler Bearings LOL). torgue exhaust pipe clamp bolts @ 205 inch/pounds, tighten muffler clamps.
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Midnightrider Serious Thumper Offline Alliance Member Posts: 3244 Winston Salem, NC	Re: Chatter or stack of bowls noise Reply #8 - 09/08/09 at 17:22:11 My speedometer rattles om acceleration. I'm planning on fixing it when its too cold to ride. The speedometer mainly rattles on acceleration.
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Ebikerman Full Member Offline Jesus is #1 Posts: 100 Fitzgerald, GA Gender:	Re: Chatter or stack of bowls noise Reply #9 - 09/08/09 at 18:42:48 I will check on the muffler clamps etc. and for a loose speedometer. Thanks for the new ideas. keep em coming if you can. I appreciate everyone of them.....Dan
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verslagen1

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Re: Chatter or stack of bowls noise
Reply #10 - 09/08/09 at 21:14:35

I seem to forget the most simplist of things figuring we've talked about them enough, check this 1st and so on...

speedo
headlight
mirrors
tins
belt covers
pulley cover
dam near everything

When you hear the noise, place your hand on something, not a vice grip, no percussive adjustments, just rest it there and see if the noise changes.

The headlight and speedo make really weird noises and they change depending on their mood.

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thumperclone Serious Thumper Alliance Member Offline PGR rider riding with respect Posts: 6054 Grand Junction Colorado Gender:	Re: Chatter or stack of bowls noise Reply #11 - 09/08/09 at 21:39:27 hedlight & or turn sig visors if u have them
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Mattdw Full Member Offline Posts: 193 Frisco, TX Gender:	Re: Chatter or stack of bowls noise Reply #12 - 09/09/09 at 08:42:31 thumperclone wrote on 09/07/09 at 22:05:06: check where the belt guard tucks in behind the front pullly cover..theres a rub pad that is supposed to be there ive replaced(they fall off)it twice on my 06 Did you buy this pad, or just use some rubber stock? What did you use?
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Trippah Serious Thumper Offline I ride, therefore I am. Posts: 2517 central Mass Gender:	Re: Chatter or stack of bowls noise Reply #13 - 09/09/09 at 21:14:20 if it' clacking both at speed and idle with you off the bike, this eliminates the drive belt. Did you do the valves? If not, did you leave the bike overnight with the folks who did it?
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Ebikerman Full Member Offline Jesus is #1 Posts: 100 Fitzgerald, GA Gender:	Re: Chatter or stack of bowls noise Reply #14 - 09/10/09 at 05:49:24 I left the bike overnight with the mechanic that did the valves. He knows to do the adjustment on a cold engine and has done valve adjustments for me before. More than twice. He asked me to ride the bike over to his shop and let him ride it again and listen, so I am. Thanks, Dan
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