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Fork Tube Damage |
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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Posted: 25 Apr 2013 at 19:02 |
Hi All, just went out to put my tax disc in....as found these marks on the back of the fork tubes, pic 1 shows the black coating gone and the metal underneath almost powdery?
I have no idea what caused this or how serious it is, there is a similar prob on the other leg. What do you reckon, I am at a loss. |
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v60rsvr
Premium Member Joined: 21 Apr 2008 Location: east grinstead Status: Offline Points: 611 |
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well it looks like corrosion has definitely started in the alloy tube trouble is u dont know how deep it has gone.
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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Hey another east sussex boy!
I have to say I panic'd a bit when I saw it.....
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v60rsvr
Premium Member Joined: 21 Apr 2008 Location: east grinstead Status: Offline Points: 611 |
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how dare u west sussex actually ! if u wanna scare your self google intergrannular /exfoliation corrosion!
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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Now I dont want to ride it!
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redratbike
Moderator Group The Collector Messiah Joined: 07 May 2008 Status: Offline Points: 16146 |
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Clean it off and put some acf50 on it for now
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w00dzy
Premium Member Joined: 09 Dec 2012 Location: UK South Status: Offline Points: 1469 |
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I would clean it up, sand it back to bare metal, apply krust to change the chemical reaction and stop the rust and then use some hamerite..
Acf would be good for now :) |
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v60rsvr
Premium Member Joined: 21 Apr 2008 Location: east grinstead Status: Offline Points: 611 |
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krust is for steel the forks are alloy so it wont work what u need is something like alodine/aliprep treatment i would with bit of wet and dry clean it off see how deep corrosion is them make decision about what to do
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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Cheers boys, ACF50 it is and I have now removed the Aprilia fitted tax disc holder that caused the issue......
Reckon the 3 hour ride caused the fork oil to heat up and move around a bit more than normal..... So preload up a notch....
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stevezx7r
Moto GP Alien Joined: 12 Jun 2012 Location: Bishop Auckland Status: Offline Points: 1211 |
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My forks are the same. It seems to be some sort of weathering effect caused by the mud guard directing crap to the fork legs. I've seen how much forks flex under braking so I'm not taking any chances. New pair for me.)
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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Now you had to go and say that didnt you, I was getting all calm about it........
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stevezx7r
Moto GP Alien Joined: 12 Jun 2012 Location: Bishop Auckland Status: Offline Points: 1211 |
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Soz bud ;)
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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oh no will have to save up for ohlins conversion......
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w00dzy
Premium Member Joined: 09 Dec 2012 Location: UK South Status: Offline Points: 1469 |
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Good shout.. my bad. Save for some ohlins you know it makes sense!! |
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gregorious77
Premium Member Joined: 07 Jan 2013 Location: uk south Status: Offline Points: 208 |
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New forks due to some surface corrosion? really!!!
clean it off and paint. Tax disc holders look sh*t anyway. Mine is under my rear seat hump with the tool kit.
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stevezx7r
Moto GP Alien Joined: 12 Jun 2012 Location: Bishop Auckland Status: Offline Points: 1211 |
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I'll have to take a pic of mine, show you how bad it is. To call it surface rust would be wrong....
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v60rsvr
Premium Member Joined: 21 Apr 2008 Location: east grinstead Status: Offline Points: 611 |
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surface corrosion !! it might be but how do u know? heavy braking hit pot hole etc l/h fork breaks ! i would be thinking about that!
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gregorious77
Premium Member Joined: 07 Jan 2013 Location: uk south Status: Offline Points: 208 |
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Ok if its that bad scrap the forks but how did it get that far?
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stevezx7r
Moto GP Alien Joined: 12 Jun 2012 Location: Bishop Auckland Status: Offline Points: 1211 |
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With me it's a simple case of lack of funds :( I'm sorting a pair from this very forum but I've got so much on (lemon of a car needs fixing, mates stag doo etc etc) that it's hard to find the spare cash!
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bigbrownepaul
Moto GP Alien Joined: 23 Oct 2012 Location: Rhondda Status: Offline Points: 619 |
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Funds is a bitch, but there are plenty of good bods on here who have helped me out with my little Tuono to Millieish conversion!!
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