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Old 06-29-2011, 05:57 PM   #1
Persh
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Soft Brakes

Okay so I put new front rotors and EBC pads on my sv650, and now the front brake is very soft. I can almost pull it all the way back to where it is touching the throttle... Without locking it up or lifting the rear up which seems wrong to me. I thought maybe it'd go away after the pads bedded in, but it has been a few hundred miles and they're still soft.

Do I need to bleed the brakes? I bought a container of dot4 fluid ahead of time when I put the new brake components on but never used it. Is there a local place I can pickup speed bleeders?
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Old 06-29-2011, 06:00 PM   #2
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You need to bleed your brakes. If you have a compressor, buy a pneumatic bleeder at Harbor Freight for $20. Its a one man show with that bleeder and it works great!

http://www.harborfreight.com/brake-f...der-92924.html
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Old 06-29-2011, 06:26 PM   #3
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Unfortunately my compressor is broken. Is there a local place to get speed bleeders?
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Old 06-29-2011, 06:32 PM   #4
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Old 06-29-2011, 06:34 PM   #5
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Old 06-29-2011, 06:36 PM   #6
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Old 06-29-2011, 09:04 PM   #7
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Pass on the speed bleeders and just pick up a Mitey Vac.
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Old 06-29-2011, 09:11 PM   #8
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I got a mitey vac and bled the brakes. I'm not sure I was using it correctly as I had to pump constantly and air seemed to coming through the tubing from the bleeder.. But the brake feel is vastly improved so I must've done something right?
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Old 06-30-2011, 10:52 AM   #9
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Quote:
Originally Posted by Persh View Post
I got a mitey vac and bled the brakes. I'm not sure I was using it correctly as I had to pump constantly and air seemed to coming through the tubing from the bleeder.. But the brake feel is vastly improved so I must've done something right?

Once all of the air is out of your lines, the micro bubbles in the Mightyvac line aren't coming from your brake system - they're coming from around the bleeder threads. You're fine.
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Old 06-30-2011, 11:02 AM   #10
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I cant see the brakes needing to be bled if you just changed the pads and didnt open the system.
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Old 06-30-2011, 11:49 AM   #11
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Quote:
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I cant see the brakes needing to be bled if you just changed the pads and didnt open the system.
May have been some trapped air in the calipers that he pushed back into the lines...
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Old 06-30-2011, 12:21 PM   #12
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If you are talking of front brakes you need to bleed in 2 steps, first master cylinder and then calipers. I just replaced my brake lines. I used a simple plastic hose connected to the bleeder valve and then onto a bottle. Just bleeding is a 10 minute job and you dont need any special accessory other than a hose, an 8mm wrench (yamaha at least) and some patience....
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Old 06-30-2011, 12:22 PM   #13
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Quote:
Originally Posted by tbcaveman View Post
If you are talking of front brakes you need to bleed in 2 steps, first master cylinder and then calipers. I just replaced my brake lines. I used a simple plastic hose connected to the bleeder valve and then onto a bottle. Just bleeding is a 10 minute job and you dont need any special accessory other than a hose, an 8mm wrench (yamaha at least) and some patience....
Sorry I forgot to mention beeding order is
1-master cylinder
2-caliper
3-master cylinder again
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