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difference - single disc vs double disc - master cylinder?

Discussion in 'XJ Technical Chat' started by SnoSheriff, Apr 3, 2006.

  1. SnoSheriff

    SnoSheriff Site Owner Staff Member Administrator

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    Is there master cylinder difference between single disc and double disc brakes? My Maxim is double disc and I’m wondering if I can install master cylinder that was used on single disc XJ?
     
    SnoSheriff, Apr 3, 2006
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  2. NACHOMAN

    NACHOMAN Member

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    Dual disc masters should have a larger diameter piston.
    The single disc master should require more pull to achive the same stopping power.
    It may or may not work, but it will feel different.
    I would stick with the dual master or get an aftermarket unit.

    Nachoman
     
    NACHOMAN, Apr 3, 2006
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  3. Hired_Goon

    Hired_Goon Member

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    Re: difference - single disc vs double disc - master cylinde

    Have to agree. Having just converted from single disc to double I am amazed at the minimal effort it takes to stop the bike now.

    The single required a heap of pressure and never really felt like great stopping power. (Never had to test it thankfully)

    Duals will bring it to a nice stop with two fingers. Feels a bit spongy though, but that may just be me getting used to the difference.

    I also prefer it a bit softer. Less chance of locking it up if an emergency "grab everything" pops up. :wink:
     
    Hired_Goon, Apr 3, 2006
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  4. Robert

    Robert Active Member

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    Goon, you might find a swap to braided stainless steel lines and an upgrade to DOT 4 brake fluid will get rid of almost all of the "spongies".
     
    Robert, Apr 3, 2006
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