Results 1 to 7 of 7

Thread: Fork seals blown - what to replace?

  1. #1
    Senior Member Aracheon's Avatar
    Join Date
    Oct 2006
    Location
    North Denver...ish
    Posts
    3,315

    Fork seals blown - what to replace?

    So after my last track day at Pueblo, Pilot pointed out to me that my suspension has become a little tired. (The bike has damn near 30k on the clock, and I bought it in April of 07 with 16k.) Ignoring the rear for the moment, not only do I have a blown fork seal in the front, but even on the hardest preload setting, the front compresses WAY too easily.

    Is this something where I would be better off buying new forks, or replacing the seals and trying to salvage the ones I already have? Suggestions?
    Chris

    Quote Originally Posted by ~Barn~ View Post
    There's nothing that will ever replace the warm feeling of a perfectly blipped 6th-to-4th downshift, that drops right lane traffic like 1st first semester chem-lab.

  2. #2
    Senior Member TFOGGuys's Avatar
    Join Date
    Jan 2003
    Location
    What am I doing in this handbasket?
    Posts
    3,838

    Re: Fork seals blown - what to replace?

    You'll need seals and oil replaced. If you're considering respringing or revalving, that would be the time to do it. Depending on wear and the type of fork, you may need to replace bushings as well. We can do the service, call me at 303-216-2400 and I can let you know what to expect pricewise. CSC discount applies!
    Thanks, Jim
    TFOG Wheelsports, LLC
    www.tfogracing.com
    303-216-2400

    Calling an illegal alien an "undocumented immigrant" is like calling a drug dealer an "undocumented pharmacist"



  3. #3
    Senior Member D Berns R6's Avatar
    Join Date
    Sep 2006
    Location
    Littleton
    Posts
    869

    Re: Fork seals blown - what to replace?

    If you don't go with TFOG, the guys at Faster down in denver can do that as well...

  4. #4
    Senior Member lovinCO's Avatar
    Join Date
    Aug 2007
    Location
    Heaven
    Posts
    1,143

    Re: Fork seals blown - what to replace?

    Quote Originally Posted by Aracheon View Post
    Is this something where I would be better off buying new forks, or replacing the seals and trying to salvage the ones I already have? Suggestions?
    Definitely not new forks! They're not "salvage", they're just worn. Like the others said, revalve/respring them while you've got them open--the difference will be big when you get it back.

  5. #5
    Right-Wing Nut-Job DavidofColorado's Avatar
    Join Date
    Aug 2007
    Location
    Lakewood
    Posts
    3,098

    Re: Fork seals blown - what to replace?

    Yeah rebuild them if you can. It doesn't sound like you have to replace them.
    "My reading of history convinces me that most bad government results from too much government." Thomas Jefferson

  6. #6
    Senior Member The GECCO's Avatar
    Join Date
    Aug 2003
    Location
    HPR
    Posts
    1,245

    Re: Fork seals blown - what to replace?

    If the seal has been blown long enough for most or all of the fluid to have leaked out, the damper setting won't matter much, since you are adjusting the size of the orifice the fluid travels through. If there's no fluid to restrict, the size of the orifice becomes moot.

    Get the seals and bushings replaced, and with the fresh fluid you'll THINK you spent a ton of dough on new forks!
    The GECCO

    You begin your riding career with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

  7. #7
    Senior Member pilot's Avatar
    Join Date
    Feb 2006
    Location
    Well...It's a dry heat.
    Posts
    4,592

    Re: Fork seals blown - what to replace?

    Look into checking the internals. As the fluid was escaping out then there is a good chance that moisture and other particulates were being drawn in past the fork and dust seals. Those can cause corrosion (pitting/scarring) on the bushings, damper rods-needle valves, spring steel washers and pitting of the internal tube.
    MSF-RiderCoach,TOTAL CONTROL Advanced Riding Clinic-Level 1/Level 2 Instructor

    Ricky Orlando Motorcycle School,
    Rider Workshop-USA

    Suspension Academy Graduate 1 + 1 = 3
    Writer, 2008 MRA Season Program-Feature Article, "The Colorado Sportbike Club"
    *Mngr., TerraNova Team Racing, MRA #112 Andrew Gillespie, Novice GTU Champion/Rookie of the Year-2007
    Member: AMA
    Red Cross--Disaster Assessment Team Captain, CPR, AED, First Aid, Veteran-USAF-K-9 Handler


Similar Threads

  1. Blown Fork Seal
    By Theory123 in forum Bike Tech
    Replies: 3
    Last Post: Mon Jul 30th, 2007, 12:05 PM
  2. Blown Forks seals?
    By t_jolt in forum Bike Tech
    Replies: 4
    Last Post: Sun Jul 15th, 2007, 10:42 PM
  3. Replies: 2
    Last Post: Mon Jul 2nd, 2007, 08:59 AM
  4. Doing my own fork seals??
    By Khalid 171 in forum Bike Tech
    Replies: 10
    Last Post: Mon May 8th, 2006, 12:09 PM
  5. fork seals
    By thunderseye in forum Bike Tech
    Replies: 11
    Last Post: Wed Mar 10th, 2004, 06:58 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •