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Old 05-28-2013, 05:36 PM
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bikerphil bikerphil is offline
Master of XSology
Join Date: Jan 2008
Location: Broward County, S. Flori-DUH
Posts: 7,552
There may still be crud/corrosion in the caliper groove not letting the seal fit in properly causing it to bind the piston. Did you clean that groove with a dremel wire wheel? Did you lube the seal/piston with clean brake fluid? Is the piston going in perfectly straight?

79F - owned since '89 - FJ fork mod, solo seat mod, Dyna 3Ω's, 14MM M/C (168K miles)
79SF - every day rider, solo seat mod, Brembo 16MM M/C, Accel 3Ω's, Supertrapp (125K miles)

"If it ain't broke, modify it"

30 year XS11 owner

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