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Thread: Clutch slave cylinder seal. Again.

  1. #46
    apriliaforum expert haga lout's Avatar
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    Quote Originally Posted by EVL Plastics View Post
    I have just purchased 2 for my Capo, very nice company to deal with, i should have them tomorrow, they are now 2.50 + VAT, still very good.

    Thank you ATL Hydraulics Ltd Phone: 0116 294 9089
    I've had one of these in for 4 years now without problems I got a pack of ten and have one in a little plastic box in the bikes tool kit in case it goes on the road I've a brand new Oberon in my parts bin at home that I may fit as it makes the clutch lighter

  2. #47
    apriliaforum newb
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    Quote Originally Posted by dipso441 View Post
    I just bought 2 x POLY U 28-20-4 seals from
    ATL Hydraulics Ltd
    18 Kingsley St
    Leicester LE2 6DL.

    3.46 for two inc VAT, against 11.98 + VAT EACH on the Aprilia parts list.
    If these are correct fitment & successful, I`ll post on the `Parts Suppliers` sticky above.

    Cheers, dipso441
    HELP - NO.
    POLY seals are eaten by Brake Fluid. Clearly they lasted 500 miles. You NEED EDPM for Brake Fluid.

  3. #48
    apriliaforum expert haga lout's Avatar
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    Quote Originally Posted by katoosh525 View Post
    HELP - NO.
    POLY seals are eaten by Brake Fluid. Clearly they lasted 500 miles. You NEED EDPM for Brake Fluid.
    It’s not gone on mine still good

  4. #49
    apriliaforum Junkie
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    Just for reference: I bought a poly seal for my clutch slave a couple of months ago. I replaced the whole unit with an Oberon one yesterday. Note the blue residue around the cylinder in the old one, I'm presuming it's the new seal breaking up. (I haven't pulled the cylinder out yet as it's now off the bike - and needs a wee bit of hydraulic pressure to pop it out!)
    Click image for larger version. 

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