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Rear brake seems useless

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Old 03-18-2017, 09:17 AM
big- mike big- mike is online now
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Default Rear brake seems useless

I have a 2010 ultra with abs the rear brake works but not well I've changed pads twice and changed fluid once thinking it might be bad the pedal feels normal and no abs light on the dash. The dealer claims I need a complete brake service and a reset with the computer for a total of 200.00. I'm a pretty good mechanic and confident I didn't get any air in it when pushing new fluid in I even checked the rotor and it doesn't seem to be glazed. But I'm thinking it may be is there a way to unglazed it while still on the bike? Any hints
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Old 03-18-2017, 09:30 AM
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Sure. But watch your fingers. Get the back wheel off of the ground, remove the bags and whatever else you need to, to get your hand on the rotor. Start the bike, drop it into 1st gear and put some 40 grit sand paper to the rotor. Watch your fingers.

Use a sanding block, not your fingers. Use a helper to keep the clutch engaged just enough to spin the tire. Oh yeah, watch your fingers.
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Old 03-18-2017, 09:37 AM
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Good idea but how do you get to the inside of the rotor?
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Old 03-18-2017, 09:41 AM
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This is why I don't work on my bike now days. Years ago, yeah but not now. They're too complicated for my limited bike knowledge
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Old 03-18-2017, 09:45 AM
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Quote:
Originally Posted by big- mike View Post
Good idea but how do you get to the inside of the rotor?
My thoughts too... I guess you gotta be fast!
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Old 03-18-2017, 09:59 AM
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Oh I just can't help it having someone else do something that I'm capable of. My labor is o and the dealer is 100.00 per hour
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Old 03-18-2017, 10:36 AM
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Explain how your rear brake doesn't work well?
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Old 03-18-2017, 10:58 AM
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I can feel it start to stop the bike but fades fast won't hold on a hill unless I lean on them hard mostly I use my gears and the fronts but I'm concerned I case of the need for a sudden stop would be nice to know the will help unless it just the nature of the beast. I know the single disc can't be compared to the duals in the front but I think they should do more than they are
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Old 03-18-2017, 12:05 PM
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Quote:
Originally Posted by big boz View Post
sure. But watch your fingers. Get the back wheel off of the ground, remove the bags and whatever else you need to, to get your hand on the rotor. Start the bike, drop it into 1st gear and put some 40 grit sand paper to the rotor. Watch your fingers.

Use a sanding block, not your fingers. Use a helper to keep the clutch engaged just enough to spin the tire. Oh yeah, watch your fingers.
Do not attempt this.

Ever.
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Old 03-18-2017, 12:08 PM
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Think it's got something to do with the rear caliper design harley uses, rear brake on my 17 RK leaves a lot to be desired, think I'd have to literally stand on it to lock it up and I don't have ABS.
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