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Rust pitting on forks

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lifeisforlivi...
Nitrous Nuisance



Joined: 23 Oct 2012
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PostPosted: 11:02 - 25 Feb 2013    Post subject: Rust pitting on forks Reply with quote
How do I get rid of the rust and then how do I treat it to prevent it coming back? I have used some wet and dry paper (fine grade 1000) before just to take it off but didn't know what put on it after that.
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Islander
World Chat Champion



Joined: 05 Aug 2012
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PostPosted: 13:36 - 25 Feb 2013    Post subject: Re: Rust pitting on forks Reply with quote
lifeisforliving wrote:
How do I get rid of the rust and then how do I treat it to prevent it coming back? I have used some wet and dry paper (fine grade 1000) before just to take it off but didn't know what put on it after that.


If the rust is on the part of the stanchion that is covered by the fork travel, then nothing. If it's above that then you could wipe the stanchion over with some oil but TBH, all you need to do is keep them clean and if you lay the bike up, use some oil or ACF50 on them.
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andy_uk
World Chat Champion



Joined: 13 Aug 2011
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PostPosted: 13:44 - 25 Feb 2013    Post subject: Reply with quote
Assuming they're chrome?
Wire wool and autosol!

May need 'topping up' every couple of weeks or so but it's keeping mine rust free Smile
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stuarthouston
Trackday Trickster



Joined: 31 Mar 2012
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PostPosted: 15:48 - 25 Feb 2013    Post subject: Reply with quote
Fork gaiters would go a long way to keeping road crud and salt off of them too, if you're looking for maximum protection and don't mind the look.

I fixed the pitting on my CG's stanchions in October with wet&dry, araldite and autosol and whacked some gaiters over them. Check them periodically, and they are still rust free and bone dry. Thumbs Up
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lifeisforlivi...
Nitrous Nuisance



Joined: 23 Oct 2012
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PostPosted: 23:35 - 25 Feb 2013    Post subject: Reply with quote
andy_uk wrote:
Assuming they're chrome?
Wire wool and autosol!

May need 'topping up' every couple of weeks or so but it's keeping mine rust free Smile


I am not sure if they are chrome or not, I will try the wire wool and autosol. The only problem is that the area where there is rust is hard to get to without taking the mudguard off and the fork plastics off and cleaning them every few weeks is impractical. The only area that has rusted is either side in the same place on both forks the rest of the forks are fine. I think it must be where all the road crap gets thrown up and with the salt and wet weather they are suffering.

I have had all the plastics off once this winter mainly to treat the frame where it has rusted and I also did the forks then sprayed them with WD40 and have kept doing so to help try and protect them.
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lifeisforlivi...
Nitrous Nuisance



Joined: 23 Oct 2012
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PostPosted: 23:38 - 25 Feb 2013    Post subject: Reply with quote
stuarthouston wrote:
Fork gaiters would go a long way to keeping road crud and salt off of them too, if you're looking for maximum protection and don't mind the look.

I fixed the pitting on my CG's stanchions in October with wet&dry, araldite and autosol and whacked some gaiters over them. Check them periodically, and they are still rust free and bone dry. Thumbs Up


This could be the best way to go as I then only have to take the plastics off to treat it and fit the gaiters. I have heard other people doing this and solving the problem. It seems like the easiest way for a fix.
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numpty2
Trackday Trickster



Joined: 08 Dec 2011
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PostPosted: 06:40 - 26 Feb 2013    Post subject: Reply with quote
I have always fitted gaitors to all my bikes. It's cheap to do & not especially difficult. It protects the chrome from the elements and, in my opinion, it looks better as well. And I understand that if they are secure, i.e. cable tied top & bottom, then the MOT tester won't move them to have a look underneath. Gaitors normally come with the cable ties as well. I am currently using a bright yellow pair on a red bike, which I will admit might not be to everyone's taste.
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Hetzer
Super Spammer



Joined: 19 Feb 2007
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PostPosted: 10:12 - 26 Feb 2013    Post subject: Reply with quote
Any kind of damage to the chrome, even minor pitting, will take its toll on the seals. New ones will fail a hell of a lot quicker on pitted forks than on perfect ones.
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Islander
World Chat Champion



Joined: 05 Aug 2012
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PostPosted: 11:04 - 26 Feb 2013    Post subject: Reply with quote
Hetzer wrote:
Any kind of damage to the chrome, even minor pitting, will take its toll on the seals. New ones will fail a hell of a lot quicker on pitted forks than on perfect ones.


A wee bit of honing to take the edge off of any pitting helps here. Thumbs Up
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