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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through September 30, 2010 » How do you clean your front caliper? « Previous Next »

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Duggram
Posted on Tuesday, September 14, 2010 - 07:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Do you leave the brake line on? I saw where one guy dunks it in a bucket of Simple Green. Do you take it apart? I checked on a seal kit at the HD dealer. No such thing. So what do you do?

The reason I want to do this is that my new 5mm rotor drags really bad. It turned dark in one morning on the track. Saturday evening I changed the brake fluid. Nothing helped. Most suggestions I got were clean the pistons in the caliper.
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Juniorkirk
Posted on Tuesday, September 14, 2010 - 07:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

the way i clean the pistons is take the caliper off of the rotor and slightly squeeze the brake a little to pump the pistons out some, but not all the way for them to fall out. Than take a thick boot lace and pretty much 'floss' each caliper to clean them, then push them back in and put it back onto the rotor. Did it to my bike once and it helped with the dragging and sticking.
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Jdugger
Posted on Tuesday, September 14, 2010 - 11:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I rebuild my calipers every 2-3 sets of brake pads using the caliper kit from Erik Buell Racing: http://www.EBRacing.com/shop/product64.html

I am not a fan of simple green, because it seems to dry out the seals too much.

Instead, I split the caliper, clean it well with a nylon brush, rag, and denatured alcohol, the assemble it again with new seals, pistons and a generous coating of fresh DOT4.

It's peaceful, easy bench work, and it's kind of enjoyable.

Definitely pull it from the bike.

I keep an extra caliper around so the job is easy when it gets real sticky -- I can clean the extra caliper anytime then when I have some free moments.
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Skntpig
Posted on Wednesday, September 15, 2010 - 11:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1 deposits on the pistons.

Brakecleen or simple green does dry seals.

I just use Juniorkirk's method on each pad change with basic soap and water, toothbrush and now will try the lace trick.
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Dannybuell
Posted on Friday, September 24, 2010 - 02:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I was looking for wheel cleaner and found this. The detailer's love it.

http://www.google.com/search?q=Sonax+Full+Effect+w heel+cleaner&hl=en&sa=N&tab=fw
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Avalaugh
Posted on Saturday, September 25, 2010 - 06:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Let us know if you ever stop the dragging ? i have tried everything, inc swapping of calipers, pads, fluids etc

Have given up now and half way through a front end conversion.
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