SuzukiSavage.com - Vibration issue

Ramsforever

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Vibration issue
07/21/08 at 19:30:48

I laid my bike down while it was standing still.

2007 Suzuki S40

The chrome nut just below the oil filter and back of the right foot peg is crushed. I would say half of it is there.

I get bad vibration from the right peg when I get to 60 mph. Once I get to 65-70 it goes away.

Do you guys think if I replace the nut, it would resolve the issue?

It is tight, so it being loose isn't the issue.

Thank you in advance.

Ed Halverson

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Sandy Koocanusa Serious Thumper Offline Don't blame me. I didn't vote for him. Posts: 1878 Bigfork, MT Gender:	Re: Vibration issue Reply #1 - 07/21/08 at 19:40:39 Is the vibration new since you laid the bike down?
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Ramsforever Junior Member Offline SuzukiSavage.com Rocks! Posts: 68	Re: Vibration issue Reply #2 - 07/21/08 at 19:43:32 Yes. It actually un tied my shoe the other day.
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Sandy Koocanusa

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Re: Vibration issue
Reply #3 - 07/21/08 at 19:53:27

Hmmm... I would not think that scuffing the top of a nut would cause the vibration, so...

That bolt runs clear through to the other side. Nothing got knocked out of kilter did it? Didn't break the frame or move the engine out of whack? Is the heat shield bent over and rattling against the header pipe? Looks like the peg itself took some abuse, from the scuff on the end. Is it still tightly attached?

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Savage: (adj)1. Wild 2. Uncivilized : Primitive 3. Ferocious 4. Cruel or merciless : Brutal --- Webster's. (n.) 1. A motorcycle named for its seat.--- Sandy's unabridged

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Vibration issue Reply #4 - 07/21/08 at 20:10:50 That nuts not crushed. Its ground off from cornering. Mine are a disaster. You are just starting to get some rubber off the peg end, mine is ground nearly 1/3rd off, maybe more. Tighten all those Thru Bolts.
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T Mack 1 - FSO Serious Thumper Alliance Member Offline sold 2001 LS650 for a 1986 XLH1100 Posts: 2919 Emmaus,Pa Gender:	Re: Vibration issue Reply #5 - 07/22/08 at 15:03:33 Take a very close look at your handlebars too. A drop that has enough impact to mar the nuts has enough force to tweak the bars a bit.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28638 Tucson Az Gender:	Re: Vibration issue Reply #6 - 07/22/08 at 16:14:14 That's not a crack under the footpeg, is it? Check around, I doubt if the bolt is the problem, but why not replace it anyway?
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Ramsforever

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Re: Vibration issue
Reply #7 - 07/22/08 at 17:35:27

I had to see if that was a crack. Thank god it was just residue.

I am glad someone else is feeling it. I know I noticed it more after the bike fell.. but maybe I am just worrying to much.

Want to say thanks for the replies. This is a great forum. Please never let it go away.

I noticed someone said check the valves. Is this a major project?

I have a repair manual, so I will look it up tonight.

My bike is 3 months old, and has a little over 7100 miles. May seem like a lot, but I commute 100 miles a day. Thats why I bought it, to save gas. The dealer said it would be good for that commute, so I believed him.

So far I have changed the oil 6 times, and adjusted the belt a while back. Am planning a plug change and air filter change this weekend. Oh yea, will change the oil as well. Tongue

But the valve thing kinda scares me. As does removing the spacer to stop backfiring, and the speedo vibration.

Peace people Wink

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Sandy Koocanusa

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Re: Vibration issue
Reply #8 - 07/22/08 at 18:16:23

I sweated great drops of blood just thinking about doing the valve check. When I finally worked up the gumption, there was nothing to it. Don't let it worry you. Just round up a ratchet, a wrench, and a screwdriver and dive in. Oh, and some feeler guages.

IMO, the how-to writeup in the tech section outclasses the repair manual. It is very, very helpful.

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Savage: (adj)1. Wild 2. Uncivilized : Primitive 3. Ferocious 4. Cruel or merciless : Brutal --- Webster's. (n.) 1. A motorcycle named for its seat.--- Sandy's unabridged

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Vibration issue Reply #9 - 07/22/08 at 23:40:58 Changin oil every 1,000 miles?
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Jay

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Re: Vibration issue
Reply #10 - 07/23/08 at 02:32:27

Valves are no big deal. Vroom1776 did an excellent write up (with pictures!) in the tech section, page 6. You will need some offset wrenches (trust me), and a tool for getting to that timing inspection plug. Follow his instructions, and it's a snap. Allow yourself about four hours work time. You'll need it your first time in. After that it will get faster and faster.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Vibration issue Reply #11 - 07/23/08 at 05:54:49 That plug does not hold the engine together, reinstall it lightly. A few have seized theirs up. Maybe some antiseize in the threads would be a good idea, I do it & have no problems.
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buttgoat1 Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1042	Re: Vibration issue Reply #12 - 07/23/08 at 12:34:19 I cant imagine just dropping the bike would cause any vibration problems. I would imagine that you are just sensitized to it now. How are your tires? I had more vibration near the end of my old ones, I think because of some weird cupping on the front.
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Ramsforever Junior Member Offline SuzukiSavage.com Rocks! Posts: 68	Re: Vibration issue Reply #13 - 07/23/08 at 16:31:36 You are probably right. The tires are at about 26 psi, I am going to put them up to 28 like the book says. Again want to thank you guys for the replies.
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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Vibration issue Reply #14 - 07/23/08 at 16:37:58 Front 29 pounds rear 33 riding double rear 36
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