for forks ache

Discussion in 'UK Motorcycles' started by Doesnotcompute, Oct 11, 2003.

  1. Oh collective wisdom that formeth UKRM, pray tell would I be right in
    thinking that if one of my upper [1] fork legs is a little shinier than
    the opposite and upon inspection appears to be a little wet and upon
    inspection of said wetness the wetness is deemed to be somewhat oily,
    that there's a damned good chance I've popped a fork seal?

    [1] right way up forks in this case

    Reckon I'll be okay for 4 miles each way for 4 days until I can spare
    the bike long enough to get it sorted?
     
    Doesnotcompute, Oct 11, 2003
    #1
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  2. Seems like it. If it blows properly the fork oil will splatter the fork
    leg, your brakes, the front of the engine and your leg. Mostly though,
    they just tend to leak a little bit at a time until you get round to
    replacing them.

    --

    Dave

    GS 850 x2 / SE 6a
    SbS#6? DIAABTCOD#16 APOSTLE#16? FUB#3
    FUB KotL OSOS#12? UKRMMA#19
     
    Grimly Curmudgeon, Oct 11, 2003
    #2
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  3. Doesnotcompute

    Gunga Dan Guest

    Yes, but don't go mad.

    <looks at sig>

    I think you'll be OK TBH.
     
    Gunga Dan, Oct 11, 2003
    #3
  4. Doesnotcompute

    sweller Guest

    If you'd popped a seal [1] as in unseated or the seal had broken up you
    would know about it and they'd be a fair bit of oil running down the
    stanchion, slider or over the engine.

    If the seal is weeping this is usually caused by a very small pit in the
    fork stanchion. Which may have nicked the seal. The pits are usually
    repairable with a little araldite and wet and dry paper.
    Short term, should be alright, but the loss of oil will effect the
    damping characteristics and an MOT failure.


    [1] Ezekiel 25:17
     
    sweller, Oct 11, 2003
    #4
  5. Doesnotcompute

    Stu Guest

    Just watch the oil doesn't run down the fork leg onto the brake disc. As a
    temporary measure, prise the dust seal up, and pack some tissue paper in to
    absorb what leaks past the oil seal.
    --

    Stu
    XJ900
    YTC#11 OSOS#23
    pull my plonker when replying
     
    Stu, Oct 11, 2003
    #5
  6. Cheeky ****! Don't be judging books by their covers, if I rode like
    normal I'd most likely *not* be okay. I'm going to have to remember to
    take it easy.
     
    Doesnotcompute, Oct 11, 2003
    #6
  7. That wouldn't be a "good thing" [tm] would it :(
    As I thought, ta...
     
    Doesnotcompute, Oct 11, 2003
    #7
  8. Doesnotcompute

    Preston Kemp Guest

    Weeping seals can be caused by a bit of shit getting stuck in there;
    very common on off-roaders. Try sticking a thin feeler gauge between the
    seal & stanchion & working it round to clean out any crud.
     
    Preston Kemp, Oct 11, 2003
    #8
  9. Doesnotcompute

    Lozzo Guest

    Doesnotcompute had a fit and wibbled.....
    Shouldn't worry about it. The forks on the CB250RS leaked like **** for
    2 years before I could be arsed to replace the seals. I only changed
    them cos they'd soaked the brake pads in oil, and I thought it would be
    a good idea to not contaminate the new[1] pads when I'd gone to the
    massive trouble of fitting them.

    [1] OK, so they were used pads, but they were new to this bike.

    --
    Lozzo
    ZZR1100D, GPZ500S, CBCBCB750RSRSRS
    BOTAFOT#57/70a, BOTAFOF#57, two#49, MIB#22, TCP#7, BONY#9,
    ANORAK#9, DIAABTCOD#14, UKRMT5BB, IBW#013, MIRTTH#15a/16,
    BotToS#8, GP#2, SBS#10, SH#3, DFV#14, KoBV#3.
    Url for ukrm newbies : http://www.ukrm.net/faq/ukrmscbt.html
    www.mjkleathers.com
     
    Lozzo, Oct 11, 2003
    #9
  10. Doesnotcompute

    Spete Guest

    Indeed, looks like it.....
    Should be ok, I once rode to Holland from Ireland on me CBR4 with a popped
    seal and a big fuggof screw in centre of rear tyre (I anglegrinded the head
    of though, so it was a bit recessed). Once in Holland the seal got
    replaced........
     
    Spete, Oct 11, 2003
    #10
  11. Doesnotcompute

    Pip Luscher Guest

    Oooooh! That's a useful morsel.

    I actually paid a bike mechanic to sort my YZ's fork seals for for a
    change when the left seal started weeping: I just couldn't face
    getting covered in fork oil again!

    As it happens the mechanic diagnosed and cured another fork problem
    I've had so I reckon it was well worth it on this occasion.
     
    Pip Luscher, Oct 11, 2003
    #11
  12. Doesnotcompute

    Sean Guest

    You can do similar with a bit of masking tape. Bike on centre stand, wipe
    the stanchion round with some methylated spirit then put one wrap of
    masking tape round it.

    Off the stand, quick boing and all manner of shit gets pulled from the seal
    and sticks to the tape. Bike back on the stand and pull the tape off.

    HTH
     
    Sean, Oct 11, 2003
    #12
  13. That's a useful tip, but I can't help thinking it's a quick way of
    rogering a seal further ;-))

    Fork gaiters are the best solution, of course....
     
    The Older Gentleman, Oct 11, 2003
    #13
  14. Doesnotcompute

    Pip Luscher Guest

    I'll bet it can, especially if one uses a 0.5mm feeler! Still, given
    the choice between another fucking fork rebuild and a quick poke with
    a feeler gauge...
    Definitely on road bikes. On my last (first) motocrosser though, as
    the fork extended the gaiter breather/drain holes acted like mini
    vacuum cleaners and sucked any nearby dust into the gaiter. I don't
    think K & N do filters for fork gaiters!
     
    Pip Luscher, Oct 11, 2003
    #14
  15. Doesnotcompute

    Lozzo Guest

    The Older Gentleman had a fit and wibbled.....
    I've just pulled the gaiters off some CB250RS forks that I picked up,
    along with a load of other spares, a couple of weekends ago. The forks
    look absolutely fucking manky, with nasty rust on the previously chrome
    section between the yokes and the most salt corroded alloy lower sliders
    I have ever seen. I took the gaiters off to find the most perfect,
    unpitted set of stanchions I could have hoped for. Donkey-dicks rule,
    and then some.

    --
    Lozzo
    ZZR1100D, GPZ500S, CBCBCB750RSRSRS
    BOTAFOT#57/70a, BOTAFOF#57, two#49, MIB#22, TCP#7, BONY#9,
    ANORAK#9, DIAABTCOD#14, UKRMT5BB, IBW#013, MIRTTH#15a/16,
    BotToS#8, GP#2, SBS#10, SH#3, DFV#14, KoBV#3.
    Url for ukrm newbies : http://www.ukrm.net/faq/ukrmscbt.html
    www.mjkleathers.com
     
    Lozzo, Oct 11, 2003
    #15
  16. Doesnotcompute

    deadmail Guest

    Maybe. Then again you may be leaking brake fluid from the brake lines
    or master cylinder.
     
    deadmail, Oct 11, 2003
    #16

  17. bbbut I have drum brakes? <joke> well, half a joke.
     
    Doesnotcompute, Oct 11, 2003
    #17
  18. Doesnotcompute

    Gunga Dan Guest

    <puts lid back on bait tin and retires to pub>

    ;)
     
    Gunga Dan, Oct 11, 2003
    #18
  19. yeah yeah... and why is that in your sig if it's sold?
    In fact, why was it in your sig before it was sold?
     
    Doesnotcompute, Oct 11, 2003
    #19
  20. Doesnotcompute

    Gunga Dan Guest

    Look, I made it go away.
    Well before I sold it, it was intended to be a joke (if that's the word) at
    the expense of those with lots of cliquey crap in their sigs and those who
    list all their cars and bikes.. I mean why do that? but a couple of people
    took it seriously and told me how crap a car it was, which was kind of the
    point. Quite ironic I thought.

    --
     
    Gunga Dan, Oct 12, 2003
    #20
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