Forcing the fork seals out

TJenkos · Nitrous Nuisance Joined: 27 Jul 2006 Karma :

Hey all,

Ive taken forks apart before with no problem, however Im struggling on one from my NC30

Once the fork is fully disassembled and its just a case of pulling the tube up the leg until the seal comes out - It isnt happening!

The seal seems to be truly stuck in, no matter how much I pull them.

I have been told I should try putting penetrating oil around the seal and then heating it up - but whats the best way??

What would you recommend I use to heat it up, and where exactly should I heat up??

Thanks in advance..
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Passed CBT: 21/05/2006 Passed A2 Test: 17/05/2008
Previous Bike: '99 Peugeot Speedfight, '54 Jetforce TSDI, '03 Yamaha R6
Current Bike: '58 Yamaha R6 & '89 Honda VFR400R NC30 SP2

Itchy · Super Spammer Joined: 07 Apr 2005 Karma :

Blow torch on the fork leg not the stanchion , the problem you have now is that the fork leg is HOT and you need to grab it somehow to yank it / slide hammer it out.
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Spain 2008France 2007Big one 2009 We all die. The goal isn't to live forever, the goal is to create something that will. In the end, your life will flash before your eyes. Make sure it is worth watching.

Ichy · World Chat Champion Joined: 15 Jul 2005 Karma :

Ok, dumb question first, have you taken out the clip holding the seal in place?
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TJenkos · Nitrous Nuisance Joined: 27 Jul 2006 Karma :

Ichy · World Chat Champion Joined: 15 Jul 2005 Karma :

Sorry, I can offer no other advice than to do it just give it some!

If everything is loose then you have the best slide hammer available.
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TJenkos · Nitrous Nuisance Joined: 27 Jul 2006 Karma :

Very true, I will get the blowtorch on it tomorrow and give it a go again!
____________________
Passed CBT: 21/05/2006 Passed A2 Test: 17/05/2008
Previous Bike: '99 Peugeot Speedfight, '54 Jetforce TSDI, '03 Yamaha R6
Current Bike: '58 Yamaha R6 & '89 Honda VFR400R NC30 SP2

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

If you are still trying to split the legs put the stanchions back into the yokes, otherwise you will be there all day.
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If you dont like the way that I ride.......Stop trying to keep up!!!

BanditsHigh · Worse than a woman Joined: 21 Mar 2005 Karma :

And daft question two, you did take out the damper rod bolt from the bottom of the fork!!

If you've done what you should have done (and I'll assume that you have), then you'll just need to persevere ... I had the same problem once, just a really good fitting seal.

Would be handy if you could clamp the fork leg somehow, means you can put all your effort into pulling on the stanchion ... putting back onto yokes may work, but awkward to then give the lef a good pull (ooer).

TJenkos · Nitrous Nuisance Joined: 27 Jul 2006 Karma :

Thanks,

Yeah I did try putting it back into the yokes, but as the bike is resting on its rear wheel and an axle stand I cant force it enough.

I will have a go with the ideas so far anyway - something must work!
____________________
Passed CBT: 21/05/2006 Passed A2 Test: 17/05/2008
Previous Bike: '99 Peugeot Speedfight, '54 Jetforce TSDI, '03 Yamaha R6
Current Bike: '58 Yamaha R6 & '89 Honda VFR400R NC30 SP2

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

With it in the yokes just use the fork leg like a slide hammer.
____________________
If you dont like the way that I ride.......Stop trying to keep up!!!