Brembo master cylinder rebuild?

problems . solutions . product reviews . tips
User avatar
Aphex
Site Admin
 
Posts: 1965
Joined: Tue Nov 06, 2012 5:08 pm
Location: So Cal

Brembo master cylinder rebuild?

Postby Aphex » Fri Oct 20, 2017 8:35 pm

So my MC has a leak.

If I get on the brakes hard the lever is solid however if I'm just barely squeezing the lever it will slowly drop all the way to the bar with out stopping the bike.

I cannot find any rebuild kits for this MC and I've talked to a rep at Kurvey Girl and they said that Brembo doesn't sell seal kits for this MC and even if they did I would need a pin wrench to orientate the piston correctly.

Has anyone rebuild this MC?

If not what MC should I replace this one with? Most of the used ones are eBay are pushing $300 and for that I could pick up a new one.
08 SD, Mivv Suono, Rottweiler airbox. Current map: One some guy sent me from the internet.

Me so Hoony.

User avatar
No. 47
Master of the twisties
 
Posts: 2946
Joined: Sat Jan 10, 2009 5:14 pm
Location: London and Kent

Re: Brembo master cylinder rebuild?

Postby No. 47 » Fri Oct 20, 2017 9:05 pm

'08 ex-Battle race KTM Superduke 990 R No.47
'08 OE KTM Superduke 990 R
'01 Ducati 996S

User avatar
Aphex
Site Admin
 
Posts: 1965
Joined: Tue Nov 06, 2012 5:08 pm
Location: So Cal

Re: Brembo master cylinder rebuild?

Postby Aphex » Sat Oct 21, 2017 12:04 am

No. 47 wrote:http://www.superduke.net/forum/viewtopic.php?f=5&t=15176&p=176343&hilit=Btembo+master+rebuild#p176343


Yeah looks like I might be getting a 19 RCS off eBay for $270 shipped.
08 SD, Mivv Suono, Rottweiler airbox. Current map: One some guy sent me from the internet.

Me so Hoony.

User avatar
Aphex
Site Admin
 
Posts: 1965
Joined: Tue Nov 06, 2012 5:08 pm
Location: So Cal

Re: Brembo master cylinder rebuild?

Postby Aphex » Sun Oct 29, 2017 3:12 am

Got a 19RCS on the way.

In the mean time I figured I'd make a short video showing the symptoms of a nicked primary cup.

08 SD, Mivv Suono, Rottweiler airbox. Current map: One some guy sent me from the internet.

Me so Hoony.

crazyinp
Two wheeled terror
 
Posts: 140
Joined: Fri Sep 05, 2014 5:57 am

Brembo master cylinder rebuild?

Postby crazyinp » Sun Oct 29, 2017 7:35 am

RCS 17 is what was recommended for M50s for some reason Brembo discontinued it and replaced their website with RCS 19.

“17RCS to be installed on twin disks bikes with axial or radial calipers whose pistons diameter is 32mm or lower, but NOT on Floating Calipers; for example Ducati Panigale or RSV4, Yamaha R6 etc etc”

M50 has 4x 30mm pistons
______
In the Garage:
2015 KTM Superduke 1290R
2013 Ducati Panigale R

User avatar
Aphex
Site Admin
 
Posts: 1965
Joined: Tue Nov 06, 2012 5:08 pm
Location: So Cal

Re: Brembo master cylinder rebuild?

Postby Aphex » Tue Dec 12, 2017 3:38 am

crazyinp wrote:RCS 17 is what was recommended for M50s for some reason Brembo discontinued it and replaced their website with RCS 19.

“17RCS to be installed on twin disks bikes with axial or radial calipers whose pistons diameter is 32mm or lower, but NOT on Floating Calipers; for example Ducati Panigale or RSV4, Yamaha R6 etc etc”

M50 has 4x 30mm pistons


I don't believe the 990 has M50 calipers. I talked to multiple people at multiple companies who contacted Brembo and they recommended the 19 RCS for the 990.

So I finally got all of it installed and took it for a good 200 mile test ride and all I can say is holy shit.

It was a solid 2 finger bike before but now its almost a 1 finger bike with the pivot distance set at 18mm. I installed some new Galfer lines with the MC however I don't think that plays any factor in it, I almost don't like how strong it is now because I have to gingery pull the lever. However it's nice that there is a bit of take up before the brakes engage almost like a Geissele SSA-E if anyone here is into shooting. I'm sure a big part of it is just 40k miles of muscle memory on this bike so maybe once I get more miles with the new MC I'll adapt and like it as much as the stock system.
08 SD, Mivv Suono, Rottweiler airbox. Current map: One some guy sent me from the internet.

Me so Hoony.

crazyinp
Two wheeled terror
 
Posts: 140
Joined: Fri Sep 05, 2014 5:57 am

Re: Brembo master cylinder rebuild?

Postby crazyinp » Sun Dec 17, 2017 4:26 am

Sorry, thought you were referring to 1290.
______
In the Garage:
2015 KTM Superduke 1290R
2013 Ducati Panigale R


Return to Technical - Dr F's Words of Wisdom

Who is online

Users browsing this forum: No registered users and 2 guests