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Brakes
- Bled them, but now they don't work
started by chuck
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August 19th 2009 at 9:47 AM
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chuck
Starting Member
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34 Posts
Group: Members
Member Since: July 14th 2008
Location: saskatchewan, Canada
Current Dirtbike: 2005 YZ 125
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Well i was doing the maintenance on my bike like my manual said i should do ad i bled my brakes. But when i put new fluid in and pumped the brakes up they stayed soft and aren't moving the calipers. When i pump the brake up and hold the lever down and loosen the air-bleed screw brake fluid comes out, but when i tighten the screw back up and release the lever i can hear t sucking air. Whats going on?
2005 YZ125
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August 22nd 2009 at 8:21 AM
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MX86
What's this button do?
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757 Posts 
Group: Moderators
Member Since: June 5th 2008
Location: Nashwauk, MN, USA
Current Dirtbike: 2006 Yamaha yz250
Race Number: 86
Sponsors: X-Brand, Gravity Worx
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did you use the recommended brake fluid?
Living Life 1 berm at a time.
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August 22nd 2009 at 12:03 PM
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lilly1984
Lilly1984
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15 Posts
Group: Members
Member Since: June 18th 2008
Location: Drummondville, Quebec, Canada
Current Dirtbike: 2007 Suzuki RM85
Race Number: N/A
Sponsors: N/A
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Do you have the master cylinder resevoir cover on but loose, or off completely? It should ne on but loose, helping with the pressure build up in the system. The resevoir must be feeled very frequently. Also, make sure your bleeder valve is nice and tight before you decompress your brake lever.
If you haven't broken something... you sure as hell ain't ridin' hard enough!
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August 23rd 2009 at 7:56 PM
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chuck
Starting Member
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34 Posts
Group: Members
Member Since: July 14th 2008
Location: saskatchewan, Canada
Current Dirtbike: 2005 YZ 125
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As far as i can tell everything is on there properly, and the bleed valve is tight.
2005 YZ125
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August 25th 2009 at 9:26 PM
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Kawi_Rider_316
Team Not Even Scared
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632 Posts 
Group: Members
Member Since: July 11th 2008
Location: Ocheyedan, Ia, USA
Current Dirtbike: Kx 250F
Race Number: 316
Sponsors: Spencer Motorsports
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Try to biuld up some pressure then while holding the pedal down/or holding the lever in loosen the bleeder, Tighten the bleeder back up with the lever still pulled in then let it loose. Do that a few times if that doesnt work. loosen the bleeder pull the lever/pedal down then tightin it (lever/pedal) still down after the bleeder is tight let it loose. Do that a few times and that SHOULD work... Unless you have already done both of these. Also What I like to do is take a gas tank hose and put that on the end of the bleeder and put it in a bucket so it doesnt make as much of a mess. Hope this helps
"Jump for show, Corner for dough"
"In ball and stick sports they give you the balls, In Motocross you have to bring your own"
Sponsors:
Glens Sport Center, FC MODS, MSR, Sunline, Tag, Filtron, Six Six One, Steel Mx, Dunlop,
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August 26th 2009 at 9:42 AM
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chuck
Starting Member
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34 Posts
Group: Members
Member Since: July 14th 2008
Location: saskatchewan, Canada
Current Dirtbike: 2005 YZ 125
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^ when I do that I can hear air being sucked back into the system.
2005 YZ125
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August 26th 2009 at 10:38 PM
[ Modified August 26th 2009 at 10:49 PM
]
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Kawi_Rider_316
Team Not Even Scared
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632 Posts
Group: Members
Member Since: July 11th 2008
Location: Ocheyedan, Ia, USA
Current Dirtbike: Kx 250F
Race Number: 316
Sponsors: Spencer Motorsports
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Then your not doin it right. Say its the front brake
Pull in lever
Loosen bleeder (brake fluid will come out bleeder)
Tighten bleeder back up
Let lever loose..
---Start over
pull in lever
loosen bleeder
tighten bleeder
let lever loose.
Keep doing that until the lever is firm.
Sorry if I am making this confusing... Not the best at explaining over this but hopefully u get the point? ha ha
Also it will help if you can get someone to help you with it, And make sure your brake fluid resevior is always 3/4 or so full so no air is coming in the top.
This way has never failed me so it SHOULD work if you do it properly.
Let me know if you get it
"Jump for show, Corner for dough"
"In ball and stick sports they give you the balls, In Motocross you have to bring your own"
Sponsors:
Glens Sport Center, FC MODS, MSR, Sunline, Tag, Filtron, Six Six One, Steel Mx, Dunlop,
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August 27th 2009 at 1:44 PM
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chuck
Starting Member
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34 Posts
Group: Members
Member Since: July 14th 2008
Location: saskatchewan, Canada
Current Dirtbike: 2005 YZ 125
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^ That is exactly the way i have been doing it. I must have managed to put a hole somewhere in my brake line.
2005 YZ125
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August 27th 2009 at 9:23 PM
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MX86
What's this button do?
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757 Posts
Group: Moderators
Member Since: June 5th 2008
Location: Nashwauk, MN, USA
Current Dirtbike: 2006 Yamaha yz250
Race Number: 86
Sponsors: X-Brand, Gravity Worx
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could be a hole or the bleeder is not sealing anymore and should be replaced
Living Life 1 berm at a time.
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August 27th 2009 at 10:20 PM
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Kawi_Rider_316
Team Not Even Scared
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632 Posts
Group: Members
Member Since: July 11th 2008
Location: Ocheyedan, Ia, USA
Current Dirtbike: Kx 250F
Race Number: 316
Sponsors: Spencer Motorsports
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Yea if thats what your doin and its not workin probley a hole somewhere. I never have got a hole in a brake line but maybe tighten the bleeder and squeeze the brake and the fluid should come out the hole? I think? ha maybe not...
"Jump for show, Corner for dough"
"In ball and stick sports they give you the balls, In Motocross you have to bring your own"
Sponsors:
Glens Sport Center, FC MODS, MSR, Sunline, Tag, Filtron, Six Six One, Steel Mx, Dunlop,
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August 28th 2009 at 1:36 PM
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chuck
Starting Member
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34 Posts
Group: Members
Member Since: July 14th 2008
Location: saskatchewan, Canada
Current Dirtbike: 2005 YZ 125
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Just went out and pumped them up with the bleeder in tight and i saw fluid and some bubbles around the bleeder, guess i will just replace it.
2005 YZ125
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August 30th 2009 at 1:48 PM
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lilly1984
Lilly1984
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15 Posts
Group: Members
Member Since: June 18th 2008
Location: Drummondville, Quebec, Canada
Current Dirtbike: 2007 Suzuki RM85
Race Number: N/A
Sponsors: N/A
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Darn bleeder... all your hard work lost for the tiniest part ever... lol. Glad to hear it is figured out now.
If you haven't broken something... you sure as hell ain't ridin' hard enough!
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August 31st 2009 at 8:56 AM
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MX86
What's this button do?
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757 Posts
Group: Moderators
Member Since: June 5th 2008
Location: Nashwauk, MN, USA
Current Dirtbike: 2006 Yamaha yz250
Race Number: 86
Sponsors: X-Brand, Gravity Worx
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good thing they are like 15 cents at the hardware store....
Living Life 1 berm at a time.
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August 31st 2009 at 10:18 PM
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chuck
Starting Member
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34 Posts
Group: Members
Member Since: July 14th 2008
Location: saskatchewan, Canada
Current Dirtbike: 2005 YZ 125
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^ ya it was pretty cheap, and its working now, the bleeder's threads were all messed up and it wasn't sealing.
2005 YZ125
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September 1st 2009 at 8:13 AM
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Kawi_Rider_316
Team Not Even Scared
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632 Posts
Group: Members
Member Since: July 11th 2008
Location: Ocheyedan, Ia, USA
Current Dirtbike: Kx 250F
Race Number: 316
Sponsors: Spencer Motorsports
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Sweet glad to hear u got it fixed
"Jump for show, Corner for dough"
"In ball and stick sports they give you the balls, In Motocross you have to bring your own"
Sponsors:
Glens Sport Center, FC MODS, MSR, Sunline, Tag, Filtron, Six Six One, Steel Mx, Dunlop,
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