Master Cylinder

  • Your_Boy_Yuriy
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Master Cylinder

30 Jan 2020 06:19
#818225
Hello, I am planning on buying Master cylinder for a KZ650 with a 750 cc motor in it. It is running a single caliper set up. The master cylinder bore size is 12.6 mm. Is that too small for my setup?

Here is the link : Amazon Link
1982 KZ550C (First love)
1979 KZ650 (project Bike)
2007 Ninja (Project bike)
2020 Tracer GT (current love)

Chicago Western Suburbs

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  • martin_csr
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Re: Master Cylinder

30 Jan 2020 06:47 - 30 Jan 2020 11:58
#818228
16mm is for a dual disk front brake. 12.5mm is for single disk. There are also master cylinders with a 14mm piston bore, but I'm not certain of their application. The KZ master cylinders I've seen have either 1/2 or 5/8 cast into the underside of them >> 1/2" = 12.5mm & 5/8" = 16mm.

I installed a mc from a Honda CBR500 (12.5mm) onto my 81 KZ650-CSR w single disk Fr brake.
Last edit: 30 Jan 2020 11:58 by martin_csr.
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