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Old 05-23-2005, 07:00 PM

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Master Cylinder Problem need help!!!!

I am having trouble with my master cylinder on an 81 honda bike and are not sure if I'm just doing something wrong or what. Problem is im leaving on a trip in 2 days and I need this functioning.

I replaced all 3 front brake lines on the bike and added fluid to the resevoir. It didnt go down at all so I took off the line directly to it and nothing was coming out. I then applied the lever and still nothing came out. So in needing to bleed the brakes I am not getting any fluid to come out of the cylinder to the lines.

However, I took off the line off of a similar bike i have and it started doing the same thing. So that made me wonder if I was just doing something wrong. Kind of odd because I've bled the brakes many times on cars and never had this type of problem..

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Old 05-23-2005, 07:12 PM
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When I owned a 78 honda I replace the master cylinder on it, it took forever to get the air out of the lines, thought I was going to wear myself out doing it. If you don't have anything to pump the lines free of air with brake fluid, then just keep pumping and it will start, system works the same as a car but does not have the pressure out of the master cylinder.
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Old 05-23-2005, 11:22 PM
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Bikes do take a while to bleed by pumping. If you can swing it go pick up a hand bleeder (vacuum pump) it will make your life much easier.

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