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Help ZXR250 - Which rear brake caliper?

Discussion in 'Kawasaki 250cc In-line 4's' started by Adam Giles, Jul 10, 2016.

  1. Adam Giles

    Adam Giles Well-Known Member

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    Just noticed today that my A and C have different rear brake calipers. Is this right? Or has someone changed one?[​IMG][​IMG]

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    Adam Giles, Jul 10, 2016
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  2. kiffsta

    kiffsta Senior Member

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    To the best of my knowledge , zxr's had single Piston rear calipers , I have never seen a twin piston on the rear. Is your bike an Sp ?

    Does it work Well ? If your brake cylinder is designed for a single Piston caliper, you would have to wonder if it can push enough fluid to move both
    Pistons .
     
    kiffsta, Jul 10, 2016
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  3. Adam Giles

    Adam Giles Well-Known Member

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    It's an 1989 A model. Don't think it's an SP. Did they make an SP back then?
    The twin piston works great. Looks like the front calipers, only with different bracket and bleed/banjo socket arrangement. Also uses same pads. It's much better laid out than single piston one.
    After many hours googling, I think it comes from a zxr400.

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    Adam Giles, Jul 10, 2016
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  4. Adam Giles

    Adam Giles Well-Known Member

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    This is the same one.

    [​IMG]

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    Adam Giles, Jul 10, 2016
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  5. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    zxr rear brake.jpg
     
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    GreyImport, Jul 10, 2016
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  6. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    zxr rear brake c model.jpg
     
    GreyImport, Jul 10, 2016
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  7. Adam Giles

    Adam Giles Well-Known Member

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    That'll explain it then.
    Thanks.

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    Adam Giles, Jul 10, 2016
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  8. risky

    risky risky

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    both my zxr250 A model have twin piston calipers but different swing arms.
     
    risky, Jul 10, 2016
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