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Thread: replacing fork seals - gen3 zx10

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    Member Joe Shabadoo's Avatar
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    replacing fork seals - gen3 zx10

    Blew one out at barbs today. Google tells me zx10 needs some funky tool and not just pvc pipe. If anyone has done it a bunch of times and wants a cashy then i can drop forks off with seals and oil. Thinking some $ in racer's pocket is better than the shop's...

    No rush on it either

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    Member henrys's Avatar
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    Hey Joe

    Before rushing into that see http://sealmate.net/

    Might save you big time and $. It did for me after some sand got in my almost new seals at Barbz

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    Member Joe Shabadoo's Avatar
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    i reckon the shop will charge me $150 or so for new seals/2 bottles oil/labour, and I can put heavier oil in while at it
    my suspension helps me to not crash and die, and i find doing it that way is quite enjoyable

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    Member 51 New West's Avatar
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    Won't heavier oil just slow the damping? Serious question.
    Quote Originally Posted by Skut View Post
    ...the problem is that no-one wants to listen to an expert, just to have their own position/circumstance supported or be acknowledged.

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    Member thro's Avatar
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    Quote Originally Posted by 51 New West View Post
    Won't heavier oil just slow the damping? Serious question.

    Yes.

    But it will still be adjustable, and perhaps give more adjustment in the slower damping range.
    “Crashing is shit for you, shit for the bike, shit for the mechanics and shit for the set-up,” Checa told me a while back. “It’s a signal that you are heading in the wrong direction. You want to win but crashing is the opposite. It’s like being in France when you want to go to England and when you crash you go to Spain. That way you’ll never get to England!” -- Carlos Checa

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    Member 51 New West's Avatar
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    When I tried heavier fork oil on 2 different bikes, from 10wt to 15wt, all I got was twitchy steering, although this was on bikes with non-adjustable forks. Unless something else has been changed in the fork, I don't see the effect being positive. The forks have been designed to work with a certain oil by people who know more about forks than we do.
    Quote Originally Posted by Skut View Post
    ...the problem is that no-one wants to listen to an expert, just to have their own position/circumstance supported or be acknowledged.

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    Member Joe Shabadoo's Avatar
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    I've found heavier oil increases both compression damping and rebound damping. . Which is what I want.

    No doubt others here know plenty more technical shit.. but inunderstand that damping the oil flows thru a little orifice the allow the resist the reb/comp.. the more oil the faster this occurs. Thicker oil means lower flow.. meaning more resistance ?

    I dont think kawasaki rode it around barbs too many times

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    Member out_in_front's Avatar
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    Yeah all good if it is adjustable. Just remember that the heavier oils degrade noticeably and will need replacing more frequently than lighter oils if you want to maintain that same feeling.

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    Member thro's Avatar
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    Quote Originally Posted by Joe Shabadoo View Post
    I've found heavier oil increases both compression damping and rebound damping. . Which is what I want.

    No doubt others here know plenty more technical shit.. but inunderstand that damping the oil flows thru a little orifice the allow the resist the reb/comp.. the more oil the faster this occurs. Thicker oil means lower flow.. meaning more resistance ?

    Not quite. More oil (raising oil level) = the air gap = smaller = the effective spring rate rises earler towards the end of the stroke (because you are compressing air more due to less air gap). Or if you have too much oil in there, the fork will hydraulic lock at some point...


    I'm not sure if that's what you meant by "more oil", but just in case...
    “Crashing is shit for you, shit for the bike, shit for the mechanics and shit for the set-up,” Checa told me a while back. “It’s a signal that you are heading in the wrong direction. You want to win but crashing is the opposite. It’s like being in France when you want to go to England and when you crash you go to Spain. That way you’ll never get to England!” -- Carlos Checa

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    Member Joe Shabadoo's Avatar
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    Quote Originally Posted by thro View Post
    Not quite. More oil (raising oil level) = the air gap = smaller = the effective spring rate rises earler towards the end of the stroke (because you are compressing air more due to less air gap). Or if you have too much oil in there, the fork will hydraulic lock at some point...
    Quote Originally Posted by thro View Post


    I'm not sure if that's what you meant by "more oil", but just in case...


    i meant the more oil flowing through due to lower viscosity, not raised level

    anyhow.. got some a fork/dust seal kit, new oil. $70 all up
    gonna give it a crack with some ghetto rig tools

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    Member Triple's Avatar
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    Hey Joe, I have a fork tool kit if you want to borrow it this weekend.. includes a seal driver to suit 43mm seals. PM me if interested..

    ( This one http://www.traxxion.com/ForkServiceToolKit.aspx )

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    Member Joe Shabadoo's Avatar
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    Quote Originally Posted by Triple View Post
    Hey Joe, I have a fork tool kit if you want to borrow it this weekend.. includes a seal driver to suit 43mm seals. PM me if interested..

    ( This one http://www.traxxion.com/ForkServiceToolKit.aspx )
    Your PM's are full...
    Seals rocked up last week so if you have a time when I can drop by and pick up the tool that would be great. This evening would be fine after about 7:30 or pretty much can work around you. What beer do you drink?

    ph. o4o59355I7

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    Hi Triple,

    I'm looking at replacing the fork seals in my 09 ZX10 and just stumbled across this thread. I understand you don't know me from a bar of soap, but was wondering if I might be able to borrow the tools you offered Joe if you still have them. It would be a huge help not having to purchase the tools for what I hope will not be a regular job.

    Happy to compensate with a 6pack or some cash.

    Cheers,

    Jakob

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    Member Halo_2's Avatar
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    I believe Marty MOOSE might be able to help you ?
    "Some people are like clouds. When they disappear it's a beautiful day"

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    Member Triple's Avatar
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    Quote Originally Posted by kelso94
    Hi Triple,

    I'm looking at replacing the fork seals in my 09 ZX10 and just stumbled across this thread. I understand you don't know me from a bar of soap, but was wondering if I might be able to borrow the tools you offered Joe if you still have them. It would be a huge help not having to purchase the tools for what I hope will not be a regular job.

    Happy to compensate with a 6pack or some cash.

    Cheers,

    Jakob
    Hey mate, my bro has them at the moment but hes away for a couple of weeks and I cant access them..

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    No worries man, I only just ordered the parts last week so won't arrive for a little while.
    My number is zero four 34676851, if you could flick me a message when you can get to them that would be great!

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