Date: 28-03-24  Time: 20:00 pm

Author Topic: Rear Brake refurb  (Read 10548 times)

fazersharp

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Re: Rear Brake refurb
« Reply #50 on: 31 March 2020, 04:29:15 pm »
Ok so far I have ordered  the fowlers piston and seal kit, sbs ceramic pads, hel rear line. And am waiting to hear back  from powerhouse as to the size of split seal washer needed it maybe this one. https://www.ebay.co.uk/itm/Yamaha-brake-caliper-split-half-joint-seal-13mm-x-2-2mm-/161104785800?hash=item258297f188&redirect=mobile
I don't do rain or threat there of. dry rider only with no shame.

fazersharp

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Re: Rear Brake refurb
« Reply #51 on: 31 March 2020, 04:32:44 pm »
O.K then but I don't mean the piston fluid seals or dust seals as I have already stated on two different sites, these are neither & it says two?


They're wrong, I would suggest you exercise caution when looking at independent aftermarket websites/sellers they often get it wrong.  The same goes for you offering advice to people on how to do things especially brakes when, by your own admission you've never done it and you clearly don't really know what your doing.  :stop [size=78%]    [/size]




Well really! done plenty of brake seals thanks so don't need any advise from you.
I've got an idea, gnasher says 1 and bandit says 2 > so I will buy 3 and then that covers all opinions :lol
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red98

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Re: Rear Brake refurb
« Reply #52 on: 31 March 2020, 04:41:41 pm »
SHARPIE...thats a great idea.buy three.use one on your caliiper.have one as a spare and give me the other one.... :thumbup
One, is never going to be enough.....

fazersharp

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Re: Rear Brake refurb
« Reply #53 on: 31 March 2020, 04:42:06 pm »
If there is one then that would explain why you first bleed from the back nipple wouldn't it ?
I don't do rain or threat there of. dry rider only with no shame.

fazersharp

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Re: Rear Brake refurb
« Reply #54 on: 31 March 2020, 04:44:03 pm »
SHARPIE...thats a great idea.buy three.use one on your caliiper.have one as a spare and give me the other one.... :thumbup
Can you measure the diameter of the recess for me please. 
« Last Edit: 31 March 2020, 04:44:37 pm by fazersharp »
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red98

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Re: Rear Brake refurb
« Reply #55 on: 31 March 2020, 04:46:36 pm »
haven`t got a seal to measure but i can measure the the caliper body which should be good enough,give me a minute...
One, is never going to be enough.....

fazersharp

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Re: Rear Brake refurb
« Reply #56 on: 31 March 2020, 04:49:31 pm »
haven`t got a seal to measure but i can measure the the caliper body which should be good enough,give me a minute...
Great that's what I meant. I have heard back from powerhouse that tell me its 11mm - this one according to them https://www.ebay.co.uk/itm/Yamaha-11mm-brake-caliper-joint-seal-RD350-YVS-F1-F2-N1-N2-XJ600-Diversion-SRX-/151490152619?hash=item23458448ab 
I don't do rain or threat there of. dry rider only with no shame.

Gnasher

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Re: Rear Brake refurb
« Reply #57 on: 31 March 2020, 04:52:58 pm »
Well really! done plenty of brake seals thanks so don't need any advise from you.


Clearly you do as you've got know idea, it all speaks for it's self.   Never done it, scour the internet for others advice/Utube etc the offer advice to others which is wrong  :rollin :rollin :rollin :rollin :rollin

It would be funny, but it's not others will believe you and get it wrong or it this case spend money the don't have to.  Mine you people like you do put money my way  ;) as owners bring their bikes to me after they've tried following internet forum advice form the likes of you or tried following Utube, only to find out they've been told wrong and it's not as easy as it looks. 
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Gnasher

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Re: Rear Brake refurb
« Reply #58 on: 31 March 2020, 04:55:24 pm »
If there is one then that would explain why you first bleed from the back nipple wouldn't it ?


Sure is  ;) :) 
« Last Edit: 31 March 2020, 04:56:17 pm by Gnasher »
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red98

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Re: Rear Brake refurb
« Reply #59 on: 31 March 2020, 04:59:23 pm »
bit unsteady with the camera.i need 3 right hands   :lol
One, is never going to be enough.....

fazersharp

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Re: Rear Brake refurb
« Reply #60 on: 31 March 2020, 05:05:07 pm »
Great that helps a lot - it seems powerhouse are correct as they say 11mm - no mention of thickness (depth of recces ) though ------- still got your calipers out  :lol
I don't do rain or threat there of. dry rider only with no shame.

Gnasher

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Re: Rear Brake refurb
« Reply #61 on: 31 March 2020, 05:05:39 pm »
haven`t got a seal to measure but i can measure the the caliper body which should be good enough,give me a minute...


You need to allow for the crush effect, it's not much but must be allowed for say .05 - 1mm O/D.  I've not got one to measure here but it should sit slightly proud no more than a mm.


One of the cheaper ones will work no doubt, it's not like it moves but I've never used anything other than what I've stated.  I would go for non split rebuild first, if you can't get the pistons out then go for a split, it's takes only an hour ish to rebuild the thing. 
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Gnasher

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Re: Rear Brake refurb
« Reply #62 on: 31 March 2020, 05:07:47 pm »
bit unsteady with the camera.i need 3 right hands   :lol


Use the other end of the caliper yaw mate, it's designed for I/D measurements  :thumbup
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red98

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Re: Rear Brake refurb
« Reply #63 on: 31 March 2020, 05:14:20 pm »
i know that,senior moment... :rollin :rollin :rollin
One, is never going to be enough.....

Gnasher

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Re: Rear Brake refurb
« Reply #64 on: 31 March 2020, 05:51:28 pm »
i know that,senior moment... :rollin :rollin :rollin


We all get them  :D ;) :rollin :rollin
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fazersharp

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Re: Rear Brake refurb
« Reply #65 on: 31 March 2020, 06:14:10 pm »
i know that,senior moment... :rollin :rollin :rollin


We all get them  :D ;) :rollin :rollin
Its alright for you as you can get away with it just being a senior moment --- I'm just a twat :lol
I don't do rain or threat there of. dry rider only with no shame.

Gnasher

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Re: Rear Brake refurb
« Reply #66 on: 31 March 2020, 06:18:30 pm »
i know that,senior moment... :rollin :rollin :rollin


We all get them  :D ;) :rollin :rollin
Its alright for you as you can get away with it just being a senior moment --- I'm just a twat :lol


 :rollin :rollin :rollin :rollin :rollin :rollin ;)
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red98

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Re: Rear Brake refurb
« Reply #67 on: 31 March 2020, 06:23:01 pm »
i know that,senior moment... :rollin :rollin :rollin


We all get them  :D ;) :rollin :rollin
Its alright for you as you can get away with it just being a senior moment --- I'm just a twat :lol


 :rollin :rollin :rollin :rollin :rollin :rollin ;)








 :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin :rollin
One, is never going to be enough.....

fazersharp

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I don't do rain or threat there of. dry rider only with no shame.

red98

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Re: Rear Brake refurb
« Reply #69 on: 31 March 2020, 10:03:28 pm »
only one     :rolleyes
One, is never going to be enough.....

fazersharp

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Re: Rear Brake refurb
« Reply #70 on: 31 March 2020, 10:07:55 pm »
I don't do rain or threat there of. dry rider only with no shame.

red98

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Re: Rear Brake refurb
« Reply #71 on: 31 March 2020, 10:22:17 pm »
 :lol ......i see wemoto are still trading, i ordered a couple of tyre valves this afternoon but don`t expect their usual speedy service...
One, is never going to be enough.....

Disorderlypunk

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Re: Rear Brake refurb
« Reply #72 on: 31 March 2020, 11:07:17 pm »
ooh god - delboy got mentioned so lets just jump on in
after i split, blasted and painted my rear calipers i definatly replaced mine because after a while they do harden/deform.


the problem is using the correct material and i researched like mad into this because i didnt want to F up and use the wrong stuff like nitrile which is something delboy would prob use if he needed to replace (yeah i have problems with a lot delboys stuff)
the easiest kind of o-ring to get is made of EPDM
thankfully du-pont are chemists and let us into there world by giving a compatability list
https://mscrm-dupont.secure.force.com/CRG_TlargiGuide
https://mscrm-dupont.secure.force.com/CRG_TlargiGuide


-its your brakes - its your lives - its a couple of quid i would rather not scrimp on

fazersharp

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Re: Rear Brake refurb
« Reply #73 on: 31 March 2020, 11:37:56 pm »
ooh god - delboy got mentioned so lets just jump on in
after i split, blasted and painted my rear calipers i definatly replaced mine because after a while they do harden/deform.


the problem is using the correct material and i researched like mad into this because i didnt want to F up and use the wrong stuff like nitrile which is something delboy would prob use if he needed to replace (yeah i have problems with a lot delboys stuff)
the easiest kind of o-ring to get is made of EPDM
thankfully du-pont are chemists and let us into there world by giving a compatability list
https://mscrm-dupont.secure.force.com/CRG_TlargiGuide
https://mscrm-dupont.secure.force.com/CRG_TlargiGuide


-its your brakes - its your lives - its a couple of quid i would rather not scrimp on
Not a fan of his either, not sure what you are referring to about "o rings" brought a sealing washer for rejoining 2 halves from webmoto and pistons and seals from fowlers
I don't do rain or threat there of. dry rider only with no shame.

Gnasher

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Re: Rear Brake refurb
« Reply #74 on: 01 April 2020, 08:29:07 am »
ooh god - delboy got mentioned so lets just jump on in
after i split, blasted and painted my rear calipers i definatly replaced mine because after a while they do harden/deform.


the problem is using the correct material and i researched like mad into this because i didnt want to F up and use the wrong stuff like nitrile which is something delboy would prob use if he needed to replace (yeah i have problems with a lot delboys stuff)
the easiest kind of o-ring to get is made of EPDM
thankfully du-pont are chemists and let us into there world by giving a compatability list
https://mscrm-dupont.secure.force.com/CRG_TlargiGuide
https://mscrm-dupont.secure.force.com/CRG_TlargiGuide


-its your brakes - its your lives - its a couple of quid i would rather not scrimp on
Not a fan of his either, not sure what you are referring to about "o rings" brought a sealing washer for rejoining 2 halves from webmoto and pistons and seals from fowlers


Your seal from Webmoto will be fine I'm sure.  The use of Orings in place of flat seals isn't really the way to go, yes it will work, for how long I've know idea.  An Oring is made to seal around a circumference or and edge, not flat surfaces and won't have the surface contact area of the flat seal.  Flat surface area contact will be achieved by crushing the Oring which could cause deformity, which under pressure will leek. 


Yes it will work to a point, but I wouldn't recommend it.   
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