USD Forks strange leak

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madmanreevo
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USD Forks strange leak

Post by madmanreevo »

A little frustrated with my rebuilt front forks, has stantions rechromed no leaks all good.
Then after a few rides noticed fork oil seaping from the collar on the upper fork tube (anodised section). :cry:
When I assembled them I had the collars moving on me as I was putting in the fork seals I Had to knock them back and secure in a vice to stop them moving. I have never had these move before :?:
I did think at the time there was a possibilty of leaks and they havent let me down :x
Now I did try a little heat to the collars to enable me to feed in some loctite hydraulic seal i had in the garage. But ehen I applyed some heat fork oil bubbled up....therefore a strip down.....again is needed :(
I Assumed these would be an interferance fit but if they move then somethings wrong..
I know its a weird one but does anyone know how these are fixed, or a good sealer I can feed into joint once i get collars hot while off the bike. :(
3rd CRM250 MK2, rebuilt incl Braided hoses,powdercoated,one off bronze swingarm bushes,taper head bearings,hard chromed fork, poweredcoated rear spring and rebuilt. custom graphics, also own TL1000s, Aprillia RS250 (300 kit stage 3 tuned), Yamaha RD400c
twistednuts
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Re: USD Forks strange leak

Post by twistednuts »

They have large o ring seals on them. Mine moved absoltely loads of times when re-doin my forks. I made a wooden frame with a big hole drilled out.

They looked ok so i left em in an have had no leakage, didnt use any sealer or anythin, just put a very thin smear of fork fluid on to lube em a bit
twistednuts
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Re: USD Forks strange leak

Post by twistednuts »

From memory its just like a bent clip that secures them
fallenmikethebike
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Re: USD Forks strange leak

Post by fallenmikethebike »

Check for accumulated air build up in the fork.
Mike
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madmanreevo
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Re: USD Forks strange leak

Post by madmanreevo »

cheers guys :lol: at least i know theres a seal in there, thought they might have been knackered. I guess as they move they will be easy enough to seperate :?:
Are they easy to reassemble :?
3rd CRM250 MK2, rebuilt incl Braided hoses,powdercoated,one off bronze swingarm bushes,taper head bearings,hard chromed fork, poweredcoated rear spring and rebuilt. custom graphics, also own TL1000s, Aprillia RS250 (300 kit stage 3 tuned), Yamaha RD400c
twistednuts
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Re: USD Forks strange leak

Post by twistednuts »

Yeah, they go back real easy. When you split em again, push the collar right up the fork leg an you'll then see the wire clip that holds it on. You can then take that off an take the actual collar off an clean it all up etc. Its real easy
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Re: USD Forks strange leak

Post by twistednuts »

This removal seal an clip is for mk2 only so you'll be reet
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madmanreevo
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Re: USD Forks strange leak

Post by madmanreevo »

lovely jubbly cheers twisted ;)
3rd CRM250 MK2, rebuilt incl Braided hoses,powdercoated,one off bronze swingarm bushes,taper head bearings,hard chromed fork, poweredcoated rear spring and rebuilt. custom graphics, also own TL1000s, Aprillia RS250 (300 kit stage 3 tuned), Yamaha RD400c

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