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Buell Motorcycle Forum » Old School Buell » Archive through September 20, 2008 » Vibration through the pegs.. « Previous Next »

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Brinnutz
Posted on Thursday, September 11, 2008 - 03:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've just recently noticed that there is a little more vibration coming up through the pegs.

Anyone know what this might be a result of or things to check?

Thanks
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Djkaplan
Posted on Thursday, September 11, 2008 - 03:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've always heard to check the rear isolators when you notice this.
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Brinnutz
Posted on Thursday, September 11, 2008 - 04:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hope they aren't bad.

300 mile round trip ride to MotoGP on Sunday.
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Jespo_m2
Posted on Thursday, September 11, 2008 - 08:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Which bike and what year?
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Beatx1
Posted on Thursday, September 11, 2008 - 08:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

check your exhaust mounts
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Brinnutz
Posted on Thursday, September 11, 2008 - 10:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

2002 M2, the one in my profile. Only Buell I own.
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Numb_nutz
Posted on Thursday, September 11, 2008 - 10:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's most likely your rear isolators. I've been riding this summer with mine doing the same, actually clunking in the right peg. I know it's not the right thing to do but winters in michigan are long and riding season is short. I'm saving mine for a winter project.
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Brinnutz
Posted on Thursday, September 11, 2008 - 11:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So, I'm guessing this isn't good. Isolator has no tears or anything. But, it doesn't match the other side:

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Numb_nutz
Posted on Friday, September 12, 2008 - 07:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My isolator bolt was similar to that, maybe back a little further. I've seen other ones that i know are good and none seem to be right in the middle.
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Littlebuggles
Posted on Friday, September 12, 2008 - 08:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

They don't position right in the middle, but if the iso has worn enough for the bolts to be hard up against the frame you'd definitely be feeling more vibration.
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Brinnutz
Posted on Friday, September 12, 2008 - 01:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Any more opinions?
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Brinnutz
Posted on Friday, September 12, 2008 - 08:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bueller....?
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Wile_ecoyote
Posted on Friday, September 12, 2008 - 10:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yeah, that iso is a tad too close for comfort. Maybe time for a new set.
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F_skinner
Posted on Friday, September 12, 2008 - 11:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Brinnutz, I feel vibration at certain RPMs on all my tubers. The S1 is the worse. I noticed that the vibration gets worse at 3200 RPM when the exhaust is getting loose. I get the same symptoms with the isolators as well but it is a different feeling and I cant describe it but to say the isolators give a vibration over a larger RPM band.

I see isolators in the picture on bikes that are wheelied a lot or just ridden hard (nothing wrong with that). I would replace them. Check all you exhaust mounts.

Frank
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Brinnutz
Posted on Saturday, September 13, 2008 - 02:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

All,

I forgot to mention that pic was taken when there was no weight on the swingarm. It was on the center stand (supported via pegs).

I put the bike back on the ground, and they no longer look as if they are "resting" on the bottom.

Frank,
Maybe I notice it more because I'm wearing actual riding/racing boots with a lesser sole.

Exhaust was fine last week or < 100 miles ago when I checked. It was mostly when I get above say, 3 grand on the RPM's.

As for the comment, I do wheelie alot, and I ride her hard. In fact, I only have about 1/8" of untouched tire now because I've been pushing it (my pegs are ground down nicely now.

And, since I ride with nothing but Jappers, I have to push a little harder to keep up because they like going fast.

"I wanna go fast!" ~ Ricky Bobby.

Hope you and the family are doing well!!!!! My regards.
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F_skinner
Posted on Saturday, September 13, 2008 - 09:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Brin, if the exhaust and isolators are ok I would start checking all bolts. It could be anything but check the stuff you may have had off or messed with recently. I had a gas tank on loose and it felt like the whole bike was shaking apart.

Frank
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