Using fire to seal air in brake flush... - Page 4 - KawiForums - Kawasaki Motorcycle Forums
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post #31 of 60 (permalink) Old 12-10-2012, 03:37 AM
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Pfft, everyone knows Harleys don't go fast enough to need brakes.

TJ talked me into buying a mighty vac, little bastard. It's a shit product, I think I left it at my old house when I moved.


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post #32 of 60 (permalink) Old 12-10-2012, 08:22 AM
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Much vac hate in this thread. I've been using them for years with zero problems. Quit buying those plastic ones, they're "for kitchen use" only.
I use model #07300 here at work, not those fucking toys you guys are bitching about.

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"Blah blah my bike is faster than yours around a technical track". Yawn. Well I on my feet can beat your small bike in a race of 100 laps around my couch

Last edited by locknload; 12-10-2012 at 09:08 AM.
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post #33 of 60 (permalink) Old 12-10-2012, 10:01 AM
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Use a ziptie.
Yep

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If you knew what the hell is really going on with a brake bleed, you would be just as concerned with making the bleeder screw threads airtight.
Yep.

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lol personally, i haven't had all that much luck with a mityvac on brakes either. i use them to test MAP sensors, open/close vac-operated solenoids, operate fuel-operated fuel shutoffs.. etc.

that's what they're good for.
I use one to get the majority of the air out, then finish the old fashioned way.

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Much vac hate in this thread. I've been using them for years with zero problems. Quit buying those plastic ones, they're "for kitchen use" only.
I use model #07300 here at work, not those fucking toys you guys are bitching about.

Great picture quality...........
The only ones you'll ever find on a shelf at an auto parts store.

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But cat balls are adorable, have you seen them?! They are like fluffy pompoms right under their butthole.
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post #34 of 60 (permalink) Old 12-10-2012, 10:11 AM
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Brake fade happens because any air trapped in the system boils due to the extreme heat generated. Using a MityVac is doing the job half assed and you will not get the results you would by doing it the right way. Leaving air in the system will ensure brake fade.

And yes, I have bled brakes many many times, and am somewhat of an expert at extracting every last bit of air from the system. Would you like references for the brake systems I have assembled and bled for AMA race teams?

MityVacs being inferior to bleeding brakes the proper way by hand isn't an opinion, by the way, it's a fact.

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post #35 of 60 (permalink) Old 12-10-2012, 11:23 AM
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Haha, Green caught you on that one.


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post #36 of 60 (permalink) Old 12-10-2012, 11:36 AM
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Haha, Green caught you on that one.
Well not really. Air and other contaminates in the lines lower the boiling point, not only because they have lower boiling points than the fluid itself, but because they reduce the pressure in the system. When the system boils those contaminates turn to vapor. That's when shit starts getting mushy. Even if the lever feels firm after you're done bleeding there can still be air in the system, and lever feel will get worse as you ride. Water isn't the only thing that lowers the boiling point

Not to be confused with brake fade caused by the pads themselves.

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post #37 of 60 (permalink) Old 12-10-2012, 11:40 AM
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Well not really.

I'm dancing as fast as I can. Please don't notice.

Try these words: I was wrong.
It's not as painful as you think.

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"Blah blah my bike is faster than yours around a technical track". Yawn. Well I on my feet can beat your small bike in a race of 100 laps around my couch
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post #38 of 60 (permalink) Old 12-10-2012, 11:43 AM
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Quote:
Originally Posted by goingtoscotland View Post
Well not really. Air and other contaminates in the lines lower the boiling point, not only because they have lower boiling points than the fluid itself, but because they reduce the pressure in the system. When the system boils those contaminates turn to vapor. That's when shit starts getting mushy. Even if the lever feels firm after you're done bleeding there can still be air in the system, and lever feel will get worse as you ride. Water isn't the only thing that lowers the boiling point

Not to be confused with brake fade caused by the pads themselves.
ive had that happen in my offroad truck. fuggin scary. push the pedal, and nothing happens. it feels like you have brakes, the pedal feels ok, they just dont work.

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post #39 of 60 (permalink) Old 12-10-2012, 12:56 PM
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I cannot tell if GTS is saying he owns a stadium or a pair of tennis shoes but what ever it is he is the brake man

Hoo Rahhhh






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My setup works for me

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post #40 of 60 (permalink) Old 12-10-2012, 01:04 PM
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LNL that set up looks like it is worth more than my bikes. It looks big enuf to flush the coolant in the 919.

We have a Mazda dealer mechanic on another board that uses an air powered bleeder for doing bikes. Looks like it would hold almost a gallon of fluid. Kinda scary when he brings that monster out.
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