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05-03-2024, 01:29 PM | #1 |
Silver Member
Join Date: Jul 2006
Location: Poole
Bike: M900ie
Posts: 508
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F/brake master reseal
Hi all, O.K. I use master cylinders off a 749/999 and the front brake has developed a slight air leak meaning that I have to bleed the master (very easy to do). So just wondered if Brembo produce a seal kit, and has anyone out there fitted one? I seem to remember somebody telling me that replacing master seals was very tricky.
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Bitza Last edited by Bitza; 06-03-2024 at 08:37 AM.. |
06-03-2024, 09:32 AM | #2 |
Lord of the Rings
Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,963
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Shame no one has had a go at replying to this. I'm sure someone must have some knowledge of this?
I have only done coffin type masters. My approach was to get a seal kit from Powerhouse https://powerhouse.uk/ or Moto Rapido. Studying the parts in the seal kit give you an idea of how it goes together and what you can afford to destroy getting the old one out. I had to destroy the rubber cover that conceals the innards of the coffin type and there was a retainer in there that seemed to defy any means of removing it, until I found out that I was being too scientific, the way forward was to be more brutal and hoik it out with a thin screwdriver. I had to make a very simple tool to get the retainer back in nice and square as I recall. Radials will probably be completely different, but my approach would be the same. Brembo kits usually come with a tiny sachet of special grease for assembly, which in the past I have carefully preserved the unused contents of, but I have just splashed out on a little pot of rubber grease.
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06-03-2024, 10:38 AM | #3 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,733
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Historically Brembo/Ducati wouldn’t supply rebuild kits for Ducatis, something complicated to do with liability insurance in the supply chain, even though you could sometimes find a rebuild kit via another manufacturer. I don’t know if this is still the case. Certain approved service centres could rebuild eg. radisal race masters, Bike Torque Racing IIRC. but they had to have a certified tech who pressure tested the component afterwards.
Last edited by slob; 06-03-2024 at 12:42 PM.. |
13-03-2024, 09:15 AM | #4 |
Silver Member
Join Date: Jul 2006
Location: Poole
Bike: M900ie
Posts: 508
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Just for information, no seal kits available for Brembo PR18 brake master cylinders the official line is get a new one! Tried a few potential sources as suggested above plus Mode Performance. Ho hum.
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Bitza |
13-03-2024, 10:13 AM | #5 |
Lord of the Rings
Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,963
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That's frustrating!!
Have you tried Ducati Paddy? He's always been super helpful to me in the past. https://www.ducatipaddy.com/
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13-03-2024, 12:13 PM | #6 |
Dismantled
Join Date: Feb 2006
Location: East Molesey
Bike: Multiple Monsters
Posts: 2,242
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If memory serves its the same as this KTM part
https://www.dirtbikexpress.co.uk/pro...uild-kit-front But if not these guys will do it ffor you or supply a kit https://powerhouse.uk/
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