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It is currently Sat Sep 23, 2017 1:23 pm

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 Post subject: Fork Bleeders ?
PostPosted: Sat May 13, 2017 5:53 pm 
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Joined: Wed Jan 25, 2012 11:43 am
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Location: Augusta, Ga
I'm considering installing fork bleeders. Is there a significant benefit in using them? Will they create other maintenance issues?


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 Post subject: Re: Fork Bleeders ?
PostPosted: Sat May 13, 2017 9:01 pm 
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Location: Cedartown
Have you checked to see if your forks are building pressure inside? If they are not, you will see no benefit from bleeders.

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A fine is a tax for doing wrong. A tax is a fine for doing well.

If you find yourself going through He11, keep going!


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 Post subject: Re: Fork Bleeders ?
PostPosted: Sun May 14, 2017 6:05 am 
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I'll check it next time I ride. Thanks.


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 Post subject: Re: Fork Bleeders ?
PostPosted: Sun May 14, 2017 9:09 pm 
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How can one avoid pressure build up and avoid needing the bleeders?

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 Post subject: Re: Fork Bleeders ?
PostPosted: Mon May 15, 2017 12:45 pm 
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Turners Corner wrote:
How can one avoid pressure build up and avoid needing the bleeders?

::shocked:: He's alive!?!

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 Post subject: Re: Fork Bleeders ?
PostPosted: Mon May 15, 2017 6:24 pm 
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wes_#10 wrote:
Turners Corner wrote:
How can one avoid pressure build up and avoid needing the bleeders?

::shocked:: He's alive!?!

Wow. Indeed!

But yes..how does one avoid air in the forks (besides buying a 72 CZ)?

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 Post subject: Re: Fork Bleeders ?
PostPosted: Mon May 15, 2017 10:34 pm 
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You can get pressure in different ways from different fork designs, but typically it all basically comes from a seal allowing oil or air where you don't want it. Unfortunately some fork designs are bad about seal issues due to the design, and sometimes a seal just gets weak, either an internal seal or the main fork seal between the fork upper and lower tubes.

So rather than start in rebuilding forks trying to find the problem, if it is an air pressure problem and not an oil pressure problem, it can be less costly and less frustrating to install bleeders and manually bleed off air.

Temperature - ambient and the fork itself - can make a small difference in internal air pressure, but not usually enough to be a problem.

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Paul Wright
http://www.KTMWorld.com
http://www.HighlandParkResort.com

A fine is a tax for doing wrong. A tax is a fine for doing well.

If you find yourself going through He11, keep going!


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 Post subject: Re: Fork Bleeders ?
PostPosted: Tue May 16, 2017 8:40 am 
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Paul is on it. If you're having issues with pressure build up, you've got a problem that needs fixed. If its a seal or bushing allowing air into a chamber, you can patch the problem by putting on speed bleeders. But if you're in a 2 hour race, you wont really be able to use them, at least not easily or without having to slow or stop in order to use them. Because you're not supposed to push the button while the fork is in the stroke, you'll actually suck air in more than likely.

Also, even with bleeders, by not fixing the actual problem, your fork will continually stiffen throughout the ride and give you inconsistent response to terrain. Which will throw off your riding and response to the terrain as you ride.


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 Post subject: Re: Fork Bleeders ?
PostPosted: Sat May 20, 2017 4:19 pm 
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Location: Augusta, Ga
Thanks for all the info. I had no idea that pressure building indicated something not right inside the forks. I rode yesterday but wasn't able to check till today and didn't get any air coming out. I'll check right after the ride next time.


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