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NinaMarie |
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NinaMarie Brolly Dolly
Joined: 04 May 2007 Karma :
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Posted: 12:50 - 07 Nov 2011 Post subject: Front brake sticking. |
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Ok so took my bike to shop for new tyre and he tells me front brake is sticking, which i sort of knew because it keeps squeaking at me.
He told me what to do but it went in one ear and out the other.. and i've forgot.. I just remember him saying grease...
Its getting worse in the cold, dont wanna end up on my face!!
Where do i start guys??
Any help would be much appreciated ____________________ Sym Fiddle: SOLD
Gilera Coguar 125: Written off!!
CBR125R |
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Fizzer Thou |
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Fizzer Thou World Chat Champion
Joined: 06 Aug 2011 Karma :
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P. |
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P. Red Rocket
Joined: 14 Feb 2008 Karma :
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Posted: 13:36 - 07 Nov 2011 Post subject: |
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If its the CBR125, welcome to the wonderful world of brakes
The calipers on these seem to love sticking, I've had about4 CBRs, all have had sticky front brakes.
Basically, unbolt the caliper from the fork, slide it off the disk and remove the pads.
You'll more than likely see a lovely bunh of crud sitting around the piston at the front. It collects here quite a lot. If you have some brake cleaner, give it a massive blast and use a toothbrush to really hack at the dirt. On my CBR I pushed the pistons back in with a small vice...but if you have a piece of wood handy, you can just slot it between the caliper and pistons and wiggle them back down. Give it a good clean though.
You'll also notice that there are some rubber bits on the caliper, behind these are pins that need greasing. They just unbolt and slide out. Clean the holes and grease the pins.
Reassemble them and hope they are better |
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NinaMarie |
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NinaMarie Brolly Dolly
Joined: 04 May 2007 Karma :
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Posted: 17:59 - 07 Nov 2011 Post subject: |
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I actually have a manual, i have the original and the haynes... forgot about them!
I dont have any toold i dont think, apart from screw drivers.
I could probably borrow some though!
Thanks guys, will be the first job (apart from changing forks on my ped) that i've done myself.
Could end horrificly!! ____________________ Sym Fiddle: SOLD
Gilera Coguar 125: Written off!!
CBR125R |
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NinaMarie |
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NinaMarie Brolly Dolly
Joined: 04 May 2007 Karma :
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Posted: 03:56 - 11 Nov 2011 Post subject: |
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Attempted to do my brakes myself.
(My friend ended up taking over, i wasn't going to object )
Could poss need new seals, see how it goes over the next few days.
Pistons weren't moving together like they apparently should, and the wheel wasnt spinning smoothly, was hard to turn in certain points which we thought could be a bent disc?
Its all copper greased and the wheel is spinning okay for the time being, check it again in a few days, order some new seals as a precaution
I'm learning guys!!!
I need some pink overalls for when im mechanicing! ____________________ Sym Fiddle: SOLD
Gilera Coguar 125: Written off!!
CBR125R |
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Fizzer Thou |
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Fizzer Thou World Chat Champion
Joined: 06 Aug 2011 Karma :
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Posted: 21:48 - 11 Nov 2011 Post subject: |
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Well done for trying.
I did some R1 calipers recently.
https://i666.photobucket.com/albums/vv23/WiNot_Rhencullen/Picture383.jpg
Once they had been stripped down
https://i666.photobucket.com/albums/vv23/WiNot_Rhencullen/Picture384.jpg
I then cleaned everything and reassembled them with no problems,even though the bike had done 48,000 miles.Do not use copaslip on the piston seals - use only fresh brake fluid.Use copaslip on items like the ends of the pads where they slide in the caliper as well as the pins that hold the pads in place.A small turn of PTFE tape on the thread of the bleed nipple stops any air from getting back into the caliper when bleeding them. ____________________ Just talk bikes.What else is there?
Always have a 'Plan B' |
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Old Thread Alert!
The last post was made 12 years, 186 days ago. Instead of replying here, would creating a new thread be more useful? |
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