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Help with fork

Discussion in 'The Shop' started by TrailDigger66, Feb 9, 2009.

  1. TrailDigger66

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    Hello. Recently when i was in the process of making my gt moto a singlespeed, i had some down time and started to fool around with my marzocchi drop off comps. Knowing nothing about my fork, i took off the duster caps and pressed in the valve, resulting in a large loss of air. The forks are not completely dead but pretty close. One of my friends suggested a suspension pump but im not exactly sure if this will work. ANY HELP WOULD BE MUCH APRECIATED!
    Thanks
    John
     
    #1 -   Feb 9, 2009

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  2. Quo Fan

    Quo Fan don't make me kick your ass

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    You need a high pressure, low volume pump. A suspension pump is just that, high pressure, low volume.

    And make sure you have an adapter if you need one for that fork.
     
    #2 -   Feb 9, 2009
  3. IH8Rice

    IH8Rice I'm Mr. Negative! I Fail!

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    do NOT use a pump designed for a tire. you will blow the fork up. like said above...high pressure low volume is key...and only a bicycle suspension pump will do that
     
    #3 -   Feb 9, 2009
  4. TrailDigger66

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    Alright, thank you!
     
  5. TrailDigger66

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    Actully im not completely sure if my fork is oil or air filled. If it is oil how do i fix it?
     
  6. TrailDigger66

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    So i found the specs on marzocchis sight but to tell you the truth i have no idea what any of it means.

    Features
    Damping system 1 side: coil
    1 side: air with piston rod
    Open Bath SSV system
    Adjustability PL
    Dual external (AIR) preload adjuster

    Spring type 1 side: coil; 1 side: air
    Travel 110, 130 mm
    Steer tube Steel
    Drop-out type Standard

    I can fix just about anything on my bike but my fork, thats another story. So if you know anything about forks i would much apreciate any bit of help!
     
  7. zebrahum

    zebrahum Monkey

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    You got rid of the air side, get a suspension pump (or borrow one) and refill it. You can look up the pressure on Marzocchi's site.
     
  8. allsk8sno

    allsk8sno Turbo Monkey

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    both sides use air pre-load/spring as well as mentioned above, so instead of pre-loading the spring via a knob on top you just put a few psi in the fork leg with the spring, you could also custom tune somewhat since you have one side coil/one side air,

    My tuning tips for you,
    1.start with zero psi in both legs, just spring,
    2.add air only to the side without the spring for starters until you get about the right feel,
    3. then add just afew more psi,
    4 then on the spring side instead of adding air, compress the fork and let air into the fork letting the valve close before releasing the fork. doing this acts as a negative spring to get ride of the pressure from the air spring side and gives it more of a coil only feel.

    i've used this technique on my wifes bike as well for any marz. fork, works great even for coil only forks if you have too much spring, though not as effective.

    hope this helps your tuning!
    feel free to pm me if you have any other q's about my tuning tips!
     
  9. Yotie8120l

    Yotie8120l Chimp

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