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#1 dablik

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Posted 13 February 2020 - 11:41 am

Quick one for Lee as i'm pretty sure you've stripped the spots out of the brake caliper in the past....

 

Seem to recall they come out clockwise ie left hand thread, dont want to muller them, stripped in the past without needing to do this but one pot is truly hung up hence the need, tool and new o'rings to hand..


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#2 Bjørge

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Posted 13 February 2020 - 01:34 pm

Quick one for Lee as i'm pretty sure you've stripped the spots out of the brake caliper in the past....

 

Seem to recall they come out clockwise ie left hand thread, dont want to muller them, stripped in the past without needing to do this but one pot is truly hung up hence the need, tool and new o'rings to hand..

 

You don't need to unscrew the spots to remove stuck-ish pistons, use pressurized air ... but be careful  :hide:


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#3 dablik

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Posted 13 February 2020 - 03:41 pm

Yep thanks Bjorge, i'm  well aware pressurised air will remove them but as i dont have an airline and the brakes are dismantled i use my piston pliers but one aint budging..... one caliper sorted, in the morning i'm having an extra weetabix for a replay on the other..


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#4 leehenty

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Posted 13 February 2020 - 08:02 pm

you can unscrew them with a special tool, but they unscrew inwards pushing out the piston so you turn them clockwise.

Compressed air will be your friend but watch out for fingers and eyes.

 

Wrap tape around lobes of tool to protect the anodised finish in caps.

 

Laser tools 7244  about a tenner.

 

https://www.ebay.co....ASABEgKf-fD_BwE


Edited by leehenty, 13 February 2020 - 08:10 pm.

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#5 JMC

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Posted 13 February 2020 - 09:29 pm

Here is a video I watched last week it shows a nice trick to remove a stuck piston, jump to about 3:30

 

 

https://youtu.be/VRNaa04bBiA

 

 



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#6 dablik

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Posted 13 February 2020 - 10:15 pm

you can unscrew them with a special tool, but they unscrew inwards pushing out the piston so you turn them clockwise.

Compressed air will be your friend but watch out for fingers and eyes.

 

Wrap tape around lobes of tool to protect the anodised finish in caps.

 

Laser tools 7244  about a tenner.

 

https://www.ebay.co....ASABEgKf-fD_BwE

No compressed air in the house........have the tool for a few years now just never had to use it before but thats just what i wanted to know, clockwise it is thanks..


Here is a video I watched last week it shows a nice trick to remove a stuck piston, jump to about 3:30

 

 

https://youtu.be/VRNaa04bBiA

 

 

Crackin tip JMC, never seen that method before but, the calipers are monobloc so i dont think i'll get a ratchet in to do that... might try my tyre inflator to get it moving before dismantling the spots as would prefer not to if it can be helped.


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#7 JMC

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Posted 14 February 2020 - 08:56 am

You could always blank the hose hole and fill with brake fluid through bleed nipple and use a grease gun to build the pressure 



"Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming "Wow! What a Ride!"
Hunter S. Thompson.

#8 dablik

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Posted 14 February 2020 - 01:04 pm

You could always blank the hose hole and fill with brake fluid through bleed nipple and use a grease gun to build the pressure 

Haha no grease gun either, i'll take out the spots as a last resort as i have new seals and the correct tool for it..


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#9 Kenyun

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Posted 14 February 2020 - 05:31 pm

Why don't you connect one calliper to the master cylinder and pump the tight piston out using the brake lever?



#10 wicklamulla

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Posted 14 February 2020 - 06:23 pm

Haha no grease gun either, i'll take out the spots as a last resort as i have new seals and the correct tool for it..

fart into it as all that hot air will drive them pissedons oot!


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#11 dablik

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Posted 14 February 2020 - 06:26 pm

Why don't you connect one calliper to the master cylinder and pump the tight piston out using the brake lever?

Bikes in a million peices...


fart into it as all that hot air will drive them pissedons oot!

See great minds think alike ;)

 

Heated the caliper up and then using the piston pliers i put one handle on the table while leaning on the other to ensure a good old grip and moved the caliper instead of the pliers.............many calories later success...both stubborn pistons out..


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)



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