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Buell Motorcycle Forum » Old School Buell » Archives OSB 001 » Archive through September 12, 2007 » X1 Handling « Previous Next »

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Warlizard
Posted on Tuesday, September 04, 2007 - 12:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I get a lot of wobble at 90 MPH+. I am looking at a steering dampner, are they worth the steep price? I also am considering adjusting the sag to bring the rear higher - would this help? Any other suggestions w/ be appreciated. Thanx
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Whosbeenfartin
Posted on Tuesday, September 04, 2007 - 12:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

loose or overtightened steering stem bearings,

Misaligned rear wheel or bad swing arm pivot bearings.
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M1combat
Posted on Tuesday, September 04, 2007 - 12:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Unbalanced wheel?

I wouldn't add a damper until you fix what's actually wrong.
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Kdkerr2
Posted on Tuesday, September 04, 2007 - 01:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Raising the rear end will decrease the bike's rake and make the wobble worse. Also check the tension on your steering head nut. I don't think you're too tight or you would know it. Steering becomes very difficult if you're too tight. But if you're too loose that can also cause excessive high speed wobble.
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Oldog
Posted on Tuesday, September 04, 2007 - 01:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tire pressure condition both ends.

suspension adjustments same both sides front?

tires mismatched? Brand X front Brand y back

head bearings, swing arm bearings, Rear isolators?

Wheel bearings

One last one, here WL, your grip,
a thight "death grip" on the bars can set off PIO (pilot induced oscelations)

I agree with M1 Fix the problem first.
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Warlizard
Posted on Tuesday, September 04, 2007 - 02:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanx again. I will check the steering head bearing adjustment first and go from there. Bike only has 3500 easy miles on it, all by me, so I don't suspect bearing failure - yet anyways. Tire pressure is dead on and grip is relaxed as I enjoy the speed. I am already suspicious of the wheel bearings and check front and rear after most rides for heat. It's very strange as bike is quite stable at 80 then at 90 goes to sh*t.
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Natexlh1000
Posted on Tuesday, September 04, 2007 - 09:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Have you tried softening up the rear suspension?
Sometimes front end problems are actually rear end problems.
My X1 is rock steady well beyond 115 BTW.
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Shadowracerx1
Posted on Tuesday, September 04, 2007 - 11:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Trust me... a damper won't fix this problem. I also tried replacing the front wheel, various suspension set ups and a few other things. People disagree with me but I think it's the bikini fairing mounted on the handle bars acting like a rudder in the wind. My wobble went away after I picked up my Odyssee fairing.

Do try the suspension changes but also, perhaps changing the angle of your fairing...
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Tattoodnscrewd
Posted on Tuesday, September 04, 2007 - 12:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As already mentioned .. suspension settings play a key role .. tires are huge, steering head - I don't know that wheel bearings are going to play a huge part in what you are experiencing - the other things mentioned would affect it more .. and those stock handlebars are not really meant for high speed riding ..not on a naked bike .. you are catching a ton of wind (you yourself are - and the bike too becomes a brick wall near 100mph) tuck in at that speed - I bet it will go away or diminish noticeably ...

A steering damper's main purpose isn't really used for high speed control (unless drag racing - but then all kinds of other things come into play as well ) .. IMO it helps when you are doing a lot of high speed cornering .. I have one on my M2 and will be adding one to my S1 .. as 90% my high speed riding is all in the twisties and once in a while - the track ..
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Limitedx1
Posted on Tuesday, September 04, 2007 - 12:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

my head bearing were loose and that was what was causing my head shake. my rear tire is showing belts and still no shake. i have stopped riding until my new tire gets here friday
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Noonesmeans
Posted on Tuesday, September 04, 2007 - 05:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't have any shake, but my X1's steering gets really "neutral" at about 105. It feels just like it does when the front gets light at WOT in first or second gear.

Is that normal?
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