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Everything Dirt Bike
Make / Model Specific
Honda
1988 CR250R Wont start / Wet Plug
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<blockquote data-quote="2strokesteve89" data-source="post: 177395" data-attributes="member: 1670"><p>If I'm getting this right, with the pads pushed back or the caliper off, the wheel spins freely, after a brake application it drags, but when you open the caliper bleeder it frees some but not 100% so I would say that the front caliper is still hanging up for one, since you isolated it from the rest of the hydraulic system by opening the bleeder and while improved still had a problem, I would start at the caliper first, recheck all the rebuild, was there any issues with the caliper housing, pitted bore? The caliper piston seal serves to purposes, one to seal fluid under pressure and keep foreign materials out. But also it will when pressure released pull the piston back just slightly as to keep the pads from riding on rotor and causing rapid pad wear, so if the seal isn't functioning properly your problem could lie there. If your confident the problem isn't with the caliper after rechecking, then go after the master cylinder.</p></blockquote><p></p>
[QUOTE="2strokesteve89, post: 177395, member: 1670"] If I'm getting this right, with the pads pushed back or the caliper off, the wheel spins freely, after a brake application it drags, but when you open the caliper bleeder it frees some but not 100% so I would say that the front caliper is still hanging up for one, since you isolated it from the rest of the hydraulic system by opening the bleeder and while improved still had a problem, I would start at the caliper first, recheck all the rebuild, was there any issues with the caliper housing, pitted bore? The caliper piston seal serves to purposes, one to seal fluid under pressure and keep foreign materials out. But also it will when pressure released pull the piston back just slightly as to keep the pads from riding on rotor and causing rapid pad wear, so if the seal isn't functioning properly your problem could lie there. If your confident the problem isn't with the caliper after rechecking, then go after the master cylinder. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Honda
1988 CR250R Wont start / Wet Plug
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