Rear brake not operating - Kawasaki KLR 650 Forum
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post #1 of 3 Old 12-30-2008, 08:01 AM Thread Starter
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Rear brake not operating

This is one of those non-optional operating features in my opinion. I had a flat tire on the rear. So, I dig out a stick and prop up the swing arm, pull the rear wheel, pull out the tube, replace it with a good one. Pinch that one spooning the tire back on. Then the bike goes "TIMBER". Tips off the swing arm stick. Soft ground. I push it the rest of the way over, put the wheel on, pick it up and all is well. Almost. Rear brake is not braking. It is supposed to. I want it to. Fluid is full. Pads are in place, one on each side of the rotor. The pedal goes down further than before the flat tire fiasco. The caliper is moving in and out, but not much. I think I could bleed the brake, but I don't understand why that would be the problem. Unless you open a line or enter the brake system, how would air get in the system? I don't have any brake fluid on hand or I would go try that right now. Front brake only is not safe , as I seem to have become a target for kamikazi forest rats [deer]. Any thoughts?
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post #2 of 3 Old 01-05-2009, 11:12 PM
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My "guess" is that you somehow got a bubble of air in the line when tipped over..

Give it a good bleed and see if that solves it..
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post #3 of 3 Old 01-06-2009, 04:03 PM Thread Starter
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OK, what I found was that the brake pad that sets against the brake piston was not seating right---it was "cockeyed", binding in the bracket. Once that was straightened out, all was well. I did flush out the fluid and bled the system. Now there was some nasty liquid. I dunno if changing the brake fluid helped anything but the way it looked, it couldn't hurt.
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