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No rear brakes....

This is a discussion on No rear brakes.... within the Yamaha YFM660R Raptor (2001-2005) forums, part of the Performance /Technical category; I just put on a new stainless brake line and Roll pedal, and now I have no brakes what so ever Before the rear brakes ...


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Old 10-27-2004, 09:01 PM   #1
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Default No rear brakes....

I just put on a new stainless brake line and Roll pedal, and now I have no brakes what so ever Before the rear brakes sucked even with the recall upgrade, but now the pedal just drops and does nothing what so ever... I tried bleeding them, I took the bleed bolt loose and pumped the brakes 6 or 8 times and fluid sprayed out, tightened everything up and it didn't affect it at all!!!!! Anyone got any suggestion???
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Old 10-27-2004, 09:48 PM   #2
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Bleed them more.
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Old 10-27-2004, 10:22 PM   #3
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Quote: Originally Posted by screamin96
Bleed them more.
right on
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Old 10-27-2004, 11:44 PM   #4
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My brothers raptor was taken in to the shop for the recall also. Looks to me like they just looked at it , did nothing and gave it back. Every time we bleed it it works fine for about 10 min then goes completely out.
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Old 10-28-2004, 10:23 PM   #5
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this might help if you have not already did it, make sure to use dot 4 brake fluid not the dot 3, i changed brakes on my raptor and went thru a whole bottle of dot 3 brake fluid , i could not get any brakes at all, so i tried a bottle of dot 4 like the cap says, the first try with the dot 4 brakes went tight and have had brakes ever since.
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Old 10-29-2004, 08:58 AM   #6
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Does not sound like you are bleeding them properly. You don't pump the lever with the bleeder open, your supposed to pump it, hold the lever tight, open the bleeder until the lever bottoms out, close the bleeder and repeat(while topping off the resivour each time) until there is no air bubbles coming out.......helps if you have a hose and a jar to watch for the bubbles.
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Old 10-29-2004, 11:37 AM   #7
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Yeah the hold - loosen - tighten - release method is no fun and can take a long time. Here is what I do when bleeding brakes and it seems to work pretty well. Get a long hose (6 feet) and attach it to the bleed valve. Make sure you have a full resivior. Create a vacuum on the hose either buy a vacuum or suck on it. Loosen the bleed screw and suck the fluid through. Tighten the screw. Do this a few times and you should be all set.

You may have to move the bike around using the brake lever to stop it. Rolling it back and forth a few times allows the caliper to reset.

I did this exact procedure two nights ago and it worked perfectly. Hope this helps.
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Old 10-29-2004, 12:10 PM   #8
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For the brake recall, all that was done is where the plastic bootle for the brake fluid is mounted, it was removed, rubber bushings were put in to absorb the shock of riding and they were bolted back on. Easy and cheap fix. For the problem that you are having, they need to be bled more.
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Old 10-29-2004, 05:33 PM   #9
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thanks everyone I'll try them tonight
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03' Raptor
CT FULL RACE EXHAUST
PRO DESIGN w/K&N, 170/175 JETS, NO LID
T-9s w/ HOLESHOTS
IMS, RENTHAL, FOX, GYT-R, PEP, MAIER, POWERMADD
NEW TOY.........
2003 CANNONDALE CANNIBAL "LE"
FULL HMF EXHAUST, X-FACTOR NERFS, TAG T-2 BARS, FULL SKID, BLAZE MAPPING
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Old 10-29-2004, 10:15 PM   #10
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Let us know how it turns out....good luck!!
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Old 10-29-2004, 10:28 PM   #11
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Yes please do keep us updated. I am currently having the same problem. I have tried everything here accept sucking through a tube. Nothing seems to work. Ive bled through 5-6 resaviors (SP) full. No better. I was noticing though that I have dot 5 for some reason. I need to get dot 4 and try it.
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Old 11-01-2004, 10:47 PM   #12
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Any Updates?
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Old 11-05-2004, 08:39 PM   #13
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sorry for the delay, I just got around to bleeding it again and now I HAVE BRAKES!!!!! I used the hose method and it only took about 10 mins to do it, my pedal is rock solid now! Just get a clear hose I used about 2 foot and open your bleed valve, put the hose on it and run it into a clear cup with some dot 4 fluid in it, now take the cap off the res and fill it full and start pumping your pedal, it'll take awhile for the fluid to run through but give it time and it will...whatch and you'll see the air bubbles start to dissapear now tighten the valve, remove the hose and add more fluid the res and put the cap back on, you should be set. Thanks again everyone.......
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03' Raptor
CT FULL RACE EXHAUST
PRO DESIGN w/K&N, 170/175 JETS, NO LID
T-9s w/ HOLESHOTS
IMS, RENTHAL, FOX, GYT-R, PEP, MAIER, POWERMADD
NEW TOY.........
2003 CANNONDALE CANNIBAL "LE"
FULL HMF EXHAUST, X-FACTOR NERFS, TAG T-2 BARS, FULL SKID, BLAZE MAPPING
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