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Brake Fluid still good?

  1. #1
    Lifer akira700's Avatar
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    Brake Fluid still good?

    I got a bottle of Motul brake fluid that's about 1/3 full.
    Its been sitting in garage sealed since March or so.

    Still good? Or trash?

    Also what's the fluid capacity for just my front brakes ?
    Will one 500ml bottle do it? I cant remember and dont want
    to start if I gots enough.

    -akira

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    2008 Honda CBR 600RR

  2. #2
    Member jamotech741's Avatar
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    Brake Fluid still good?

    trash, the cap on the bottle dosent seal as well as the hydraulic system so its not gonna last as long in the bottle as in the system. With all this humidity its sure to have absorbed some moisture out in the garage. Plus I dont think 1/3 bottle would be quite enough, better to just start off with a fresh bottle. One 500ml bottle should be plenty for just your fronts.

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  3. #3
    Lifer akira700's Avatar
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    Brake Fluid still good?

    thanks that's what I thought.
    So do most just trash the stuff after you open the bottle?
    Anyway to store it better?

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    2008 Honda CBR 600RR

  4. #4
    Member jamotech741's Avatar
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    Brake Fluid still good?

    Quote Originally Posted by akira700 View Post
    thanks that's what I thought.
    So do most just trash the stuff after you open the bottle?
    Anyway to store it better?
    No Problem
    Yes
    Nope, motul packages the bottles with a nitrogen charge so your never going to be able to recreate that condition. Even without that, Dot 4 racing fluid was never ment to be stored after it was opened, dot 3 car stuff is a different story.

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  5. #5

    Brake Fluid still good?

    As mentioned above, it's supposed to be junk.

    I have to admit, I have used some brake fluid in the past from an open bottle... but generally it's only been open for a month or so... the time frame between changing fluid when I was racing.

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    Tony
    Trackdays in CT, NY, and NH
    www.TonysTrackDays.com



    Pirelli Track Tires - www.goMTAG.com


  6. #6
    Just Registered TLRMan's Avatar
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    Brake Fluid still good?

    Hygroscopic comes to mind....

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    Too old to rock and roll, too young to die.

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