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 Replacing the front pads and Fluid for Brakes and Clutch

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Pete Roper
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Biondino
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 1:10 am

Everything is working just fine, but to stay on the right side of operation, its good to replace the brake fluid. The clutch has often been neglected, and done every few years.  but prob the one that should be put on the annual job list, given the line runs by the hot engine.
Below a video of the task completed this weekend.
On my 2006 GRiSO with nearly 204,000km on the clock.

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Pete Roper
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 2:43 am

As I keep ranting on about. The clutch fluid takes a real beating. I don’t think it is heat related to be honest because the fluid in the reservoir darkens really stupidly quickly and it’s not like the fluid circulates. It only moves by a centimetre or so even at full stroke.

What causes it to degrade so quickly I have no idea? The Cali 1400 uses a master cylinder effectively identical to that used on the CARC bikes. The only difference being the shape of the reservoir really. Also the 1400’s have ABS so a lot more and longer fluid paths. (Shrug?) V11’s also kill their clutch fluid in no time. As I said. I have no explanation. It’s just a *Thing*.

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Biondino
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 2:53 am

A mate with the 1200 8v sport has had the same issue with his going black.
I will make a note and take a look and possibly a change in 6 months, see how much is visually degraded. Noticed nothing in terms of the clutch operation.
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rick pope
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 5:33 am

The reservoir on the GRiSO doesn't have a bellows to follow the fluid, but rather a shitty vented rubber cover masquerading as a bellows. It allows a little puff of ambient air in every time you use the clutch.

I'd bet those who've changed to radial master cylinders don't see this problem.

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JohnA
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 5:47 am

I take the cover off mine every 6 months and suck out the fluid and replace it rather than bleeding the whole system. I only ride about 3,000 miles per year…..
Been working for me. Fluid is dirty each time but not black.

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lcjohnny
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 6:33 am

rick pope wrote:
The reservoir on the GRiSO doesn't have a bellows to follow the fluid, but rather a shitty vented rubber cover masquerading as a bellows.  It allows a little puff of ambient air in every time you use the clutch.

I'd bet those who've changed to radial master cylinders don't see this problem.

I agree Rick

the rubber cover over the fluid looks like a bellows but it seems to suck away from the joint face with the master cylinder lid leading to instant fluid pollution Sad

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beetle
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 1:29 pm

rick pope wrote:

I'd bet those who've changed to radial master cylinders don't see this problem.



You'd lose that bet.

An old pic, from when I still had the clear reservoirs.


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In GRiSO we trust!
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rick pope
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 6:29 pm

Beetle, you sound like my wife. I'm usually wrong in any discussion with her.

Does the pictured reservoir have a bellows type seal?
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Pete Roper
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1Sun Jun 02, 2024 6:33 pm

Yup, they are standard Brembo ‘Piss Cups’ on the RCS’s
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Replacing the front pads and Fluid for Brakes and Clutch Empty
PostSubject: Re: Replacing the front pads and Fluid for Brakes and Clutch   Replacing the front pads and Fluid for Brakes and Clutch Icon_minitime1

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Replacing the front pads and Fluid for Brakes and Clutch
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» Replacing rear brake pads, 06 1100 GRiSO
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