2016 Speed Triple Brake Issue (Brembo)
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  1. #1
    Citation of the Wrench and Nutdriver nugpop's Avatar
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    2016 Speed Triple Brake Issue (Brembo)

    Hello all, my Speed Triple has developed a condition where the front brake must be pumped once for a solid response. To be clear, there is a 1/2 inch (or more) difference between the first pull of the brake and a second pump. Further, it doesn't stay pumped... every time I apply the brakes, I have to do a double pump. Really frustrating, as the system has been bled countless times to no avail, master cylinder replaced under warranty (no difference) and most recently ABS pump replacement (no difference). Any ideas as to what else would cause this to happen?

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    The "Friends" of Officer Frank Poncherello Avi8or's Avatar
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    My 2c worth. Get a larger diameter master cylinder.

  3. #3
    The "Friends" of Officer Frank Poncherello Joe Houle's Avatar
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    Is it all stock system?
    when you "pump" the brakes up and get a firm lever, will it hold, or can you feel the firmness slowly fading and the lever creep toward the bar?

    how old are the pads?
    Last edited by Joe Houle; 05-23-2019 at 09:45 AM.
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  5. #4
    The "Friends" of Officer Frank Poncherello 2doggs's Avatar
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    Quote Originally Posted by Joe Houle View Post
    Is it all stock system?
    when you "pump" the brakes up and get a firm lever, will it hold, or can you feel the firmness slowly fading and the lever creep toward the bar?

    how old are the pads?
    I have a fading firmness issue but I think it’s more age related than anything.


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    Originally Posted by m4ppy
    I have always ridden Aprilias and Ducati bikes, but after years of failing electrics and parts failing off I moved over to Triumph.

  6. #5
    Citation of the Wrench and Nutdriver nugpop's Avatar
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    Quote Originally Posted by Joe Houle View Post
    Is it all stock system?
    when you "pump" the brakes up and get a firm lever, will it hold, or can you feel the firmness slowly fading and the lever creep toward the bar?

    how old are the pads?
    First pull will bring it close to the grip. Release and pull again and it's firm with plenty of room between lever and grip. Stays firm after second pump. Pads are good.

  7. #6
    Citation of the Wrench and Nutdriver nugpop's Avatar
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    Quote Originally Posted by 2doggs View Post
    I have a fading firmness issue but I think it’s more age related than anything.


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    At least yours can be easily remedied!

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    The "Friends" of Officer Frank Poncherello dr_gallup's Avatar
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    Does it get soft just standing still over time or do you have to ride it? Just soft over time and you have a leak somewhere. If you have to ride it then the rotor is probably warped or not floating properly and knocking the pads back.

  9. #8
    Citation of the Wrench and Nutdriver nugpop's Avatar
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    Quote Originally Posted by dr_gallup View Post
    Does it get soft just standing still over time or do you have to ride it? Just soft over time and you have a leak somewhere. If you have to ride it then the rotor is probably warped or not floating properly and knocking the pads back.
    I can do the double pump (not riding). Let it sit for a few seconds and I'd have to double pump again. Very strange. It doesn't build up pressure with repetitive pumps, just takes that second pump to get it normal.

  10. #9
    The "Friends" of Officer Frank Poncherello crashmasterd's Avatar
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    I would remove the calipers (leave the brake lines attached), use a C-clamp or something to compress the pistons as far as they'll go. Clean all the crud out from around the piston seals. Then reinstall them and pump up the brakes. This will take a number of pulls on the brake handle to fill the calipers.

    Then see if the condition returns. If it's fine immediately but gets worse over a few days, you may need banjo-fitting washers replaced. Another possibility is you have one or more bad piston seals.
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    Just when you think it can't get worse, Crash comes along and informs you that not only is the glass not half full, but it is stolen and contains a mix of horse semen, urine, laxative and viagra, right after you swallowed a mouthful...
    Quote Originally Posted by Joe Houle View Post
    ...no ink and going baconless on your bacon cheeseburger is about the most rebelious thing you can do these days.

  11. #10
    Citation of the Wrench and Nutdriver nugpop's Avatar
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    Bringing it back in to the dealer for another round of service. Will update with solution...if I get one.

 

 
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