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Thread: Bubble in the Front Brake Reservoir 2019 GSA

  1. #16
    SURVIVOR akbeemer's Avatar
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    Quote Originally Posted by passedetp View Post
    As requested, this was just after a 2 hour ride today with no sponginess or other issues from the front brake.

    Attachment 77549
    Looks okay to me.
    Kevin Huddy
    The Outpost, Silver City, Montana

  2. #17
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by passedetp View Post
    As requested, this was just after a 2 hour ride today with no sponginess or other issues from the front brake.

    ]
    Both of our bikes look like that.
    It was hard to get a good picture.

    brake fluid level (3).jpg

    brake fluid level (4).jpg
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  3. #18
    Registered User lkraus's Avatar
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    Not a bubble, it just looks like one because of distortion caused by the inside shape of the view port, which is not a flat surface, and light refracting through the plastic. As long as the fluid is above the lower horizontal line, you are good.
    Larry
    2006 R1200RT

  4. #19
    Fortis Fortuna Adiuvat Omega Man's Avatar
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    Quote Originally Posted by passedetp View Post
    As requested, this was just after a 2 hour ride today with no sponginess or other issues from the front brake.

    Attachment 77549
    Had to look at mine.....fluid settles right out.

    Quote Originally Posted by lkraus View Post
    Not a bubble, it just looks like one because of distortion caused by the inside shape of the view port, which is not a flat surface, and light refracting through the plastic. As long as the fluid is above the lower horizontal line, you are good.
    Looks ok (and similar) to me.

    OM
    "You can do good or you can do well. Sooner or later they make you choose." MI5
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  5. #20
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    Quote Originally Posted by ccolwell View Post
    That's normal. IMO, you don't want to fill the reservoir so much that you cannot see some air above the fluid. 1) it assures you, ok, me, that there is fluid in there; 2) let's me monitor any change in fluid level.
    Awesome.

    Thank you for the time. I was getting mentally prepped (excited) to flush some brakes, but will use that time to just go ride.

    Take care,
    Austin

  6. #21
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    Quote Originally Posted by Lee View Post
    Both of our bikes look like that.
    It was hard to get a good picture.

    brake fluid level (3).jpg

    brake fluid level (4).jpg
    "Both" bikes.

    Lucky, lucky....

    Thanks for the taking the time to post your pics. I appreciate it.

    Take care,
    Austin

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