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Old 10-01-20, 03:06 PM   #41
DamoK4
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Default Re: Will an R1 front master cylinder fit?

Sorry, fixed it now
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Old 10-01-20, 03:11 PM   #42
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Default Re: Will an R1 front master cylinder fit?

Those need a wee clean
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Old 10-01-20, 03:31 PM   #43
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Default Re: Will an R1 front master cylinder fit?

when i took the pistons out they both came out together and i don't know which is which. will it matter?
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Old 10-01-20, 03:36 PM   #44
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Default Re: Will an R1 front master cylinder fit?

Nope
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Old 10-01-20, 03:57 PM   #45
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Default Re: Will an R1 front master cylinder fit?

Cheers.

Just found that my master cylinder is an axial Nissin. Is this standard? The reservoir is pretty new so made me have a good look.

Is it worth changing these seals? Not removed anything yet apart from pads. They look pretty new and clean. The sliding pins seem a bit stiff


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Old 10-01-20, 04:15 PM   #46
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Default Re: Will an R1 front master cylinder fit?

I wouldn't take pistons out without changing seals, that's just me though.
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Old 10-01-20, 04:21 PM   #47
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Default Re: Will an R1 front master cylinder fit?

I might as well. Having issues with the sliders not moving at the mo. Cant pull the sliding bit out, both sides are well and truly seized. Soaking in wd50 at the moment.

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Old 10-01-20, 08:09 PM   #48
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Default Re: Will an R1 front master cylinder fit?

As per Chris' comment. You may aswell change them, they're an unknown age and quality and they can look okay but have actually swollen - to me the dust seals look a bit gammy but that could just be the light/liquid on them. They'll always look fairly clean as they're submerged...see what you find behind them.
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Originally Posted by DamoK4 View Post
I might as well. Having issues with the sliders not moving at the mo. Cant pull the sliding bit out, both sides are well and truly seized. Soaking in wd50 at the moment.
If you didn't before you will now! WD40 is pretty bad for them.


Which slider? The one at the top side of the caliper or pin?
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Old 10-01-20, 08:27 PM   #49
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Default Re: Will an R1 front master cylinder fit?

Quote:
Originally Posted by DamoK4 View Post
I might as well. Having issues with the sliders not moving at the mo. Cant pull the sliding bit out, both sides are well and truly seized. Soaking in wd50 at the moment.
WD40 is petroleum based and will swell and damage seals designed to work with brake fluid... but WD50 May be OK
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Old 10-01-20, 08:43 PM   #50
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Default Re: Will an R1 front master cylinder fit?

A rebuild kit should include new rubbers, R clips, retainer pins anyway. When I rebuilt mine they required persuasion with a heavy device to break the salt

My 2015 Tracer 900 looked like this today with little more than a spray with cleaner and gentle scrubbing

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