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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Leaky fork seal and front wheel vibration. « Previous Next »

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Schwiggy
Posted on Sunday, April 19, 2020 - 11:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi All,

I went on a quick ride today and about 30 minutes in got a nasty vibration and a bit of a knocking sound in the front wheel. I pulled over and saw that my right fork was leaking pretty good. So I turned around and limped home. In the short ride home the front wheel vibration and knocking sound came and went.
When I got home I was only able to do a quick visual inspection and the leak is the only thing I can see out of place. The wheel feels solid, no side to side motion that I can detect, It spins freely and doesn't sound like grinding bearings.

Could this all be caused by the leaking seal?
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Griffmeister
Posted on Monday, April 20, 2020 - 11:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Would think that it would need to leak a lot of oil for this effect. In your driveway could you check for irregularities by doing some slow speed hard stops? Speaking of stops, could there be any brake sticking going on too? Head bearing play? You may be doing some detective work on this.
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Etennuly
Posted on Thursday, April 23, 2020 - 04:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check air pressure in the tires?
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Tootal
Posted on Thursday, April 23, 2020 - 11:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If the front wheel bearings are good then the steering head bearings might be causing the noise. I can't think of anything else that would cause vibration and noises. Maybe a loose brake caliper??
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Etennuly
Posted on Friday, April 24, 2020 - 12:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check your horn behind the fly screen.
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Tootal
Posted on Friday, April 24, 2020 - 10:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)



I forgot about the horn! Good call Vern, mine rattled until I fixed it. Common problem.
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Griffmeister
Posted on Friday, April 24, 2020 - 11:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ha, horn may rattle but it wonít shake ( or roll ). Good point about the tire pressure though, didnít think of that one.
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Rdkingryder
Posted on Friday, June 19, 2020 - 10:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sounds like the oil leaking on the front brakes and caused the vibrations from the rotor gripping and slipping from the contamination.
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