Bleeding the brakes - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 28 (permalink) Old 07-19-2005, 11:45 AM Thread Starter
 
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Bleeding the brakes

** Due to Copyright Laws this article had to be removed.**

However you can still find it here:

http://www.webbikeworld.com/Motorcyc...cle-brakes.htm
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post #2 of 28 (permalink) Old 07-19-2005, 12:13 PM
 
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sure makes it sound easy...
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post #3 of 28 (permalink) Old 07-19-2005, 12:27 PM
 
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I got a speed bledder it works great.
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post #4 of 28 (permalink) Old 07-19-2005, 09:57 PM Thread Starter
 
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Quote:
Originally Posted by twisty
I got a speed bledder it works great.
yeah if you pay attention to Twisty and not dump brake fluid all over the Twistified Racing driveway like some jackass that will remain un-named (Mudpuppy).. lol..
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post #5 of 28 (permalink) Old 07-19-2005, 11:48 PM
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I have speed bleeders on my calipers... made by goodridge... very nice and beyond easy to use!

Goodridge speed bleeders

You replace your caliper bleeder screws with these and they have a little check valve in them... so no pump pump pump hold... no 2 man job... just hook up a hose and pump pump pump your heart away and all done!




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post #6 of 28 (permalink) Old 08-12-2005, 09:58 PM
 
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Question? Do you bleed the front from both calipers or just oneside?

thanks
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post #7 of 28 (permalink) Old 08-12-2005, 10:49 PM
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Quote:
Originally Posted by fatburg
Question? Do you bleed the front from both calipers or just oneside?

thanks
Who are you asking?




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post #8 of 28 (permalink) Old 08-12-2005, 11:04 PM
 
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Quote:
Originally Posted by Gas Man
Who are you asking?
ummm, you? anyone really, I just didn't want to start a new thread when there was already one started on the topic kinda.

thanks
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post #9 of 28 (permalink) Old 08-12-2005, 11:10 PM
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You can do it anyway you want.

Basically, you take out your current bleed screws and replace them with these. Attach a small hose to it with a small hose clamp. Open it and then just start pumping... its that easy.

When you're done just tighten the screw.

You can do one or both... it don't matter.




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post #10 of 28 (permalink) Old 08-13-2005, 10:02 PM
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Quote:
Originally Posted by fatburg
Question? Do you bleed the front from both calipers or just oneside?

thanks
You should bleed the brakes through both calipers. You need to get the old fluid out of both calipers and make sure there is no air in the system. I usually start with the caliper furthest away from the master cylinder. Once I get clean fluid coming out, I switch to the other one.

Also, don't forget your rear brake and your clutch (if it's hydraulic). As long as you are flushing the fluid, do it all the way around.

Larry

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post #11 of 28 (permalink) Old 08-13-2005, 10:21 PM
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I could be wrong, but I think he was just refering to doing them one or both at a time!




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post #12 of 28 (permalink) Old 08-13-2005, 11:54 PM
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Quote:
Originally Posted by Gas Man
I have speed bleeders on my calipers... made by goodridge... very nice and beyond easy to use!

Goodridge speed bleeders

You replace your caliper bleeder screws with these and they have a little check valve in them... so no pump pump pump hold... no 2 man job... just hook up a hose and pump pump pump your heart away and all done!
That's all you need + a catch can for the old fluid.
Quote:
Originally Posted by Gas Man
I could be wrong, but I think he was just refering to doing them one or both at a time!
I think that's what he was asking. Larryg was just stating that you need to do both sides but, I don't know any reason not to only do one at a time. That's the way I do it.

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post #13 of 28 (permalink) Old 08-14-2005, 09:55 AM
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Oh yeah... a catch can... I use a old pickle jar or jelly jar or somin... glass is the best for brake fluid.

I do mine one at a time but always do both fronts...




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post #14 of 28 (permalink) Old 08-14-2005, 10:27 AM
 
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Speedbleeders are definitely the way to go. Makes it much easier.

Laura
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post #15 of 28 (permalink) Old 08-14-2005, 01:09 PM
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Now the question is...

Speed bleeders (like mine) or brake'ula aka brake line vacuum

?????




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post #16 of 28 (permalink) Old 08-14-2005, 03:11 PM
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Quote:
Originally Posted by Gas Man
Now the question is...

Speed bleeders (like mine) or brake'ula aka brake line vacuum

?????
To heck with the pump.

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post #17 of 28 (permalink) Old 08-14-2005, 05:41 PM
 
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The master cylinder piston only moves a fraction of an inch to compress the brake fluid to move the pads against the rotors. This area of movement in the cylinder piston gets highly polished. When bleeding the brakes, the brake lever can be pulled all the way to the bar. This pushes the cylinder piston past the polished area. Depending on the age, there may be a rough area or even a lip that can snag or scratch the piston seals. As pads wear down, both the master piston and caliper piston(s) will move into these unpolished areas.

I'm very careful bleeding my brakes, especially my older bikes. Speedbleeders wouldn't save me any time on the rear, but would probably save me a minute on the left front caliper. If speedbleeders make riders bleed their brakes more often, more power to 'em. I've never tried them or the vacuum. But aside from checking the oil level, bleeding the brakes the old way has to be one of the easiest maintenance chores. Don't even have to lie on your back under two tons of steel like when doing a car.
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post #18 of 28 (permalink) Old 08-14-2005, 09:58 PM
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Quote:
Originally Posted by No Worries
The master cylinder piston only moves a fraction of an inch to compress the brake fluid to move the pads against the rotors. This area of movement in the cylinder piston gets highly polished. When bleeding the brakes, the brake lever can be pulled all the way to the bar. This pushes the cylinder piston past the polished area. Depending on the age, there may be a rough area or even a lip that can snag or scratch the piston seals. As pads wear down, both the master piston and caliper piston(s) will move into these unpolished areas.

I'm very careful bleeding my brakes, especially my older bikes. Speedbleeders wouldn't save me any time on the rear, but would probably save me a minute on the left front caliper. If speedbleeders make riders bleed their brakes more often, more power to 'em. I've never tried them or the vacuum. But aside from checking the oil level, bleeding the brakes the old way has to be one of the easiest maintenance chores. Don't even have to lie on your back under two tons of steel like when doing a car.
Very good point! Especially for the older bikes.

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post #19 of 28 (permalink) Old 08-16-2005, 08:32 AM
 
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Quote:
Originally Posted by Gas Man
I could be wrong, but I think he was just refering to doing them one or both at a time!
Actually I was asking if I needed to bleed one than the other or if I just needed to do one side. We were having some conversations at work and some folks were trying to tell me that I just needed to do the farthest side.

But a very good point about needing to get the fluid out of the pistons not just the lines so doing both makes sense.

Hey Laura, speedwerks sell the speed bleeders? heading over to your site to go find out.

Thanks again, always get good answers around here. too bad I can't ever explain my questions very well.
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post #20 of 28 (permalink) Old 08-16-2005, 10:09 AM
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As long as you're on the right track now Fat.... you need to bleed as much of the old fluid as possible and that means bleeding it from every spot you can...




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