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Thread: faulty master clutch cylinder

  1. #1
    Baby Twin
    Join Date
    Dec 2010
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    2

    faulty master clutch cylinder

    need help with this mystery. i have an 04 RSV-R. i have to bleed the master clutch cylinder every other day or so. it's not leaking fluid, it just takes on air to the point that the lever squeezes right to the bar. I've been told this happens to the cylinder and the only fix is to replace it. I'm thinking about using a Ducati master clutch cylinder. I'm pretty sure it fits. anybody had this problem? Aprilia wants almost $400 for the replacement part. i can get one from the Wounded Duc for $100. thanks

    mike

  2. #2
    Baby Twin
    Join Date
    Jan 2011
    Posts
    4
    Hey buddy, there is a replacement mod for the clutch master cylinder by a company called MPL in Germany. (http://www.mpl-tuningparts.de/english/gtcs.html) They have a bigger capacity holding more fluid which also makes the effort to pull the lever less. (and they look cool!) They're a great mod in my opinion. If you contact MPL, they should sell you one for approx 90Euros.

    At the risk of telling you something you already know - you need to bleed the clutch both at the lever AND the master cylinder.

    Hope this helps.

  3. #3
    Baby Twin RSVTuono's Avatar
    Join Date
    Oct 2010
    Posts
    48
    The MPL is a slave rather than master cylinder. Nice kit but probably won't sort the air issue. The 1098 etc Ducati part will fit or there is a Honda set of seals that fit the Aprilia Master cylinder if it's a seal issue.

  4. #4
    Superbike Twin Leepants's Avatar
    Join Date
    Oct 2010
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    242
    Quote Originally Posted by RSVTuono View Post
    The MPL is a slave rather than master cylinder. Nice kit but probably won't sort the air issue. The 1098 etc Ducati part will fit or there is a Honda set of seals that fit the Aprilia Master cylinder if it's a seal issue.
    Could you be more specific, please? I have an 02 RSV with a weeping master cylinder. Thanks!

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