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Post by matt88surf on Jan 27, 2008 12:30:55 GMT
I am at odds with my new purchase. Both calipers need replacing as the Pistons are stuck fast. They wont budge. I've tried compressed air etc and soaked them but to no avail. Calipers are in short supply on ebay and I've no idea where to start looking.
Any recommendations?
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Post by m40man on Jan 27, 2008 12:51:50 GMT
Can you not use the brake fluid pressure to pump them out? I realise this will mean putting them back on the bike, if they're already off but it has always worked for me in the past.
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Post by General Gman on Jan 27, 2008 13:49:23 GMT
Yep, hydraulic pressure usually does the job.Can also be worth using a pick to get the dust seal out first if you can - this is what usually stops the psiton from moving.
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Post by matt88surf on Jan 27, 2008 14:10:27 GMT
I tried with the brakes on the bike but nothing seemed to work. The bike stood for a year or more in a garden before I rescued it. Everything's seized. It took a few days graft to get it to turn over!
Where the piston prottrudes from the calliper there is a lot of what looks like rubber which has been shorn from what I can onbly assume to be seals.
I'll give it another good go, and then into the mechanics at work before I throw money away needlessly.
Cheers. I'll let you know.
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Post by matt88surf on Feb 1, 2008 18:19:59 GMT
Tried Plying the bloody things out but with no luck whatsoever. They haven't moved at all.
The mechanics at work have had a look and said they could remove the pistons but will probably make the bore's unusable doing it.
I've sourced a new one for £35. Does that sound abut right?
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Post by eliminator on Feb 1, 2008 19:35:29 GMT
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Post by matt88surf on Feb 14, 2008 11:59:55 GMT
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Post by Padster on Feb 14, 2008 12:09:36 GMT
That is not a rear caliper.
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Post by matt88surf on Feb 15, 2008 19:45:22 GMT
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Post by Padster on Feb 15, 2008 20:31:25 GMT
It looks like the rear caliper. I have bought from Rivington before and they were very helpful.
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Post by speighty on Feb 15, 2008 21:35:40 GMT
Take the caliper to a garage, a main dealer charged me £35 to strip one down that was totally seized. I couldnt budge it, and im known for using extreme force ;-)
Probably easier than find a replacement set, and less hassle
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Post by matt88surf on Feb 26, 2008 19:34:35 GMT
Anyone know any good garages in the Lincoln area?
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Post by teejayexc on Feb 26, 2008 20:32:01 GMT
Anyone know any good garages in the Lincoln area? Matt, there's a guy in Mkt.Rasen I can recommend if thats any good to you. He's a one man band and knows his way around bikes. I've pm'd you with his contact number if you want to try him. HTH Trev
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Post by 2wheelssteve on Aug 15, 2008 10:11:20 GMT
Another trick with getting the pistions out is to use a grease gun often the threads are the same will mean a bit of mess to clean out and will need a new seal kit.
Cheers Steve
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Post by CD on Aug 15, 2008 13:58:22 GMT
Grease gun - what a fab idea. You'll need to thoroughly degrease it before rebuilding as normal grease rots brake seals. If the bike is a 900 dont bother fixing the old calipers - Fit a set of blue spots and suitable master cylinder. IMO they are not ultimately much more powerful, but they are MUCH more controllable and altogther better than standard D9 calipers If its a 600 sadly they wont fit.
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