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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through September 19, 2006 » XB master cylinder bore/size? « Previous Next »

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Xbob
Posted on Thursday, September 14, 2006 - 03:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

anyone know what size/bore the XB's master cylinder is? 9/16? 11/16?
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Gentleman_jon
Posted on Thursday, September 14, 2006 - 03:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Assuming you are talking about the diameter of the piston in the handlebar mounted front brake master cylinder on a Buell XB series, the diameter can be read on the front of the cylinder.

On the one I took of my bike, it was 1/2". That equals about 12.7 millimeter.

If you are thinking of replacing the stock master cylinder, I would not use one any larger than 14mm. If you use a larger diameter, the required force on the handle bars will be too large.

Please note that most remote reservoir sport bike master cylinders are too large for the Buell brake calipers.


xxx


Here is a 14mm Nissin mounted on my XB12 Src with Tomaselli adjustable clubman's bars.
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Fullpower
Posted on Thursday, September 14, 2006 - 05:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

My, what a large RESERVOIR you have there.
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Gentleman_jon
Posted on Thursday, September 14, 2006 - 05:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Funny, I was just thinking the same thing.



I wonder if there is a smaller one that I could use.

Ideas anyone?
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Stealthxb
Posted on Thursday, September 14, 2006 - 06:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Rizoma Fluid Tanks
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Gentleman_jon
Posted on Thursday, September 14, 2006 - 06:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Beautiful.

Pricey.

The Rizzoma dilemma!



Got any other ideas?
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Diablobrian
Posted on Thursday, September 14, 2006 - 11:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think that a 94 or so zx-7 a friend had was equipped with a smaller reservoir of that type for the hydraulic clutch.
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Tbowdre
Posted on Friday, September 15, 2006 - 02:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

my superhawk had a tiny reservoir for its clutch
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