Front Master cyclinder question.

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Front Master cyclinder question.

Postby Jpatterson » Mon Feb 12, 2018 10:13 pm

I have spent the last few days searching and can not find the answer i am looking for.
Does ANYBODY know what size the piston is in the stock master Cylinder on the 2008 990 SDR??????????????????

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Re: Front Master cyclinder question.

Postby Aphex » Mon Feb 12, 2018 11:40 pm


I looked as well since I was intending to rebuild mine before I discovered what a pain in the ass it would be.

If it's any help Brembo recommends the 19 RCS as a replacement for the OEM MC.
08 SD, Mivv Suono, Rottweiler airbox. Current map: One some guy sent me from the internet.

Me so Hoony.

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Re: Front Master cyclinder question.

Postby Adrock990r » Tue Feb 13, 2018 8:48 am

Ahhh bugger, had to delete the stupid reply of mine. I found the old piston but it was from my clutch master. And online parts fiche only shows a rebuild kit for the magura clutch master not the brembo master. Sorry i couldn't be more help.

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Re: Front Master cyclinder question.

Postby SD05 » Tue Feb 13, 2018 11:30 am

This subject has been done before.

It was established, agreed and noted the front brake mastercylinder for the 990 is not serviceable as Brembo do not list parts. The Brembo 19RCS is a fine bit of kit.

If you are in the UK, ship the RCS in from Italy and save a lot of money.

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