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Fork Tube Scratch / Leak

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Old Jul 16, 2013 | 11:53 AM
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Exclamation Fork Tube Scratch / Leak

Hello all.

I have a 2008 FXDC which I bought used last summer.

Last weekend I had it out for a ride and noticed a ring of oil on my right fork tube. It was at max travel, and there was a thin film of oil on the tube.

I cleaned it well and compressed the front forks a few times, and cleaned it again.


I took it for a ride yesterday, and I did not see a leak, or a ring of oil, but I did find a scratch on my tube after closer inspection.


The scratch starts at the dust cover and goes up (toward the triple tree) about 3 inches. I can feel it with my nail. It starts deeper and gets fainter as you go up. Should I continue to ride it, or swap out the tube and seals?


Also under max compression there is a clunk and a rattle sound from the front forks... is this normal? My fathers Sportster does not sound like this.

Thanks,

Joe
 
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Old Jul 16, 2013 | 09:01 PM
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That scratch could be from a bad fork bushing. Probably need new seals and bushings and if the scratch is that deep you also need a new tube.
If it's been leaking for awhile the noise from the front end could be from a lack of fork oil.
A clunk could also be a loose tank bolt or worn/shot front motor mount, these can sound like they are coming from the front end.
 
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Old Jul 17, 2013 | 05:10 AM
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You must be loosing more oil then you think.
Don't risk it , check it out.
 
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Old Jul 17, 2013 | 08:07 AM
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The clunk could be your steering head, might need to adjust the fall away.
 
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Old Jul 17, 2013 | 09:23 AM
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you will need to replace the fork tube to stop it from leaking. my wg had a small nick/scratch on one of the tubes. i tried emery cloth to make it smooth. after replacing the seal a second time...i gave up and bought a fork tube. not that expensive. rlaced that with a new seal and leak free!! any doubts, replace the fork bushings as well...not expensive and you'll already be in the fork. good luck
 
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Old Jul 17, 2013 | 09:56 AM
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i have done fork rebuilds on guys tubes that have been sanded with 220 for paint (and the paint of course failed) they still hold up fine and no leaks... i woiuld just toss a new seal in there, will be fine
 
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Old Jul 17, 2013 | 10:41 AM
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I had a small scratch in mine at one time, got caught in some nasty muddy dirt roads and I'm guessing a piece of sand scratched it. I cleaned everything really well and a few months later the scratch was gone, no leaks
 
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