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26th May 2011
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Biker
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Join Date: May 2011
Location: City
Posts: 2 Sportster/Buell Model: Sportster 1200 Sportster/Buell Year: 1994
Reputation: 10
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Front Brake Problem???
So i just got back from a little ride and when i pulled in my front brake was really hard to pull, like it was built up. after a while it went back to normal but now it happens every time i ride. any ideas on what it could be and what i can do to fix it??? thanks...
Taber
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26th May 2011
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Senior Chief Harley Engineer 2nd Class
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Join Date: Nov 2008
Location: SoCal, SFV
Posts: 1,634 Sportster/Buell Model: xlh Sportster/Buell Year: 1982 Other Motorcycle Model: FX Other Motorcycle Year: 1976
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Sounds like your system needs a good flush. Might have some debris clogging up the pressure relief hole (the splooge hole!) in the master cylinder. If it was mine, I would dismantle the entire magillicuddy and clean the M/C, calipers and lines with brake cleaner or rubbing alcohol and blast with compressed air.
Let us know how it goes.
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26th May 2011
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Senior Chief Know It All
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Join Date: Jun 2010
Location: corwith-on-boone
Posts: 814 Sportster/Buell Model: xlx61 Sportster/Buell Year: 85 Sportster/Buell Model #2: xl1200r Sportster/Buell Year #2: 05 Other Motorcycle Model: yamaha vstar 650 custom Other Motorcycle Year: 00
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at the very least flush and bleed with fresh brake fluid and see what that does. if it is still bad, go to rebuild mode of master cylinder and caliper. brakes are good to have and need attention when they get wierd.
__________________
85 xlx61 (with a million miles and a million mods)
05 xl1200r (bought used)
00 vstar650 (for the wife)
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26th May 2011
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JESTER Mafia-Hooligan Div
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Join Date: Sep 2005
Location: West Central Indiana
Posts: 9,442 Sportster/Buell Model: 1200 R Sportster/Buell Year: 2005
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Taber.........  to THE FORUM! 
As mentioned.....it's time for a good look. It sounds to me like the pads may be binding on the pins. Might be as simple as cleaning them and putting a dab of never seize on them.
Before you flush and start bleeding, see if you can get to the pins, and try a squirt of WD 40 and see if that helps. If it does.....you know where your problem is.
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Stuff: YES
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6th June 2011
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Biker
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Join Date: May 2011
Location: City
Posts: 2 Sportster/Buell Model: Sportster 1200 Sportster/Buell Year: 1994
Reputation: 10
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So i figured i would bleed with fresh fluid to see if that was all it was first, i drained out what was in there and put fresh stuff in, but it wouldnt bleed. i took the hose off and found that the master cylinder isnt pumping anything through. does this sound like it would be part of the problem or a whole new one??
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6th June 2011
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Ride That F'N Sportster!!
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Join Date: Nov 2004
Location: Carolina Coast
Posts: 12,063 Sportster/Buell Model: Highly modified 1200 c Sportster/Buell Year: 01 Other Motorcycle Model: FLHX H-D Street glide Other Motorcycle Year: 2013
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Time for a master cylinder rebuild
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6th June 2011
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Custom Bike Builder
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Join Date: Sep 2008
Location: Michigan In garage !
Posts: 2,374 Sportster/Buell Model: XL883 Sportster/Buell Year: 2008 Sportster/Buell Model #2: XL1000 Sportster/Buell Year #2: 1975 Other Motorcycle Model: Aermacchi Harley SX175 Other Motorcycle Year: 1975
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It is always hard to get an empty master cylinder to pump up after it is empty. Try a Mitivac bleed pump at the wheel cylinder to suck the fluid through. If your not in a hurry you can just fill the Master, hook it up and let it sit with the bleeder open for a few hours, Gravity never fails!! Once you get a drip going just bleed as usual.
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Bike Painter/Restorer and Aermacchi Nutcase !
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