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Thread: Rear break soft on RR

  1. #11
    Standard Member antonio_beqa's Avatar
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    Re: Rear break soft on RR

    I changed mc from friends bike and problem solved , so its Master cylinders fault , is it possible to repair and how ? Mabe clean it needs ?or if i buy used one is there differens betwin model of rr with year ?

  2. #12
    LIFETIME FORUM MEMBER stuartb's Avatar
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    Re: Rear break soft on RR

    WIthout checking I'm sure you can buy a kit for it.. usually consists of spring, piston, seal, dust cover, circlip.. either that or buy a complete new unit, their not hugely expensive..I'd open up the old one for investigation purposes..

    It's quite rare a m/c fails, particularly a rear.

    Sent from my SM-G998B using Tapatalk
    Last edited by stuartb; 5th May 2021 at 07:05 AM.

  3. #13
    Standard Member mike g's Avatar
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    Re: Rear break soft on RR

    believe they are all the same and rebuild kit is not available

  4. #14
    2 YEAR PREMIER MEMBER JamieMac's Avatar
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    Re: Rear break soft on RR

    Brembo do a 13mm repair kit. Take yours apart and you can match it. To be honest it’s only €50 odd for a new master cylinder from Brembo. Not via BMW.
    Last edited by JamieMac; 6th May 2021 at 07:08 AM.

  5. #15
    Standard Member scooby's Avatar
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    Re: Rear break soft on RR

    are you UK based? pretty sure i have a new rear m/c in my spares.

  6. #16
    2 YEAR PREMIER MEMBER JamieMac's Avatar
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    Re: Rear break soft on RR

    I’ve just checked my spares and I have four spare. Happy to post. Silver or black finish.

  7. #17
    Standard Member antonio_beqa's Avatar
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    Re: Rear break soft on RR

    Thanks guys i have already bought MC just waiting to recive it and i will post what will heppens but sure it will fix my problem becouse i tested my friends MC on my bike same RR and it was working cool , cleaned mine re installd and again same shit so it is MC for sure

  8. #18
    Standard Member scooby's Avatar
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    Re: Rear break soft on RR

    Quote Originally Posted by JamieMac View Post
    I’ve just checked my spares and I have four spare. Happy to post. Silver or black finish.

    i've got 4 aswell haha no idea why!!

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