Rear tire changed: back brake not working properly

I've always just used an empty bottle. After a few pumps there's brake fluid in it anyway. ..
 
Dont use water, even if your not putting it into the bike you want to keep it as far away from your brake fluid as possible...Water or moisture is brake fluids worst enemy and brake fluids are hydroscopic which means they adsorb water and moisture as soon as you open the bottle...
 
JohnnyP636 said:
Dont use water, even if your not putting it into the bike you want to keep it as far away from your brake fluid as possible...Water or moisture is brake fluids worst enemy and brake fluids are hydroscopic which means they adsorb water and moisture as soon as you open the bottle...
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The water never gets near the brake fluid/caliper? It creates a vacuum so that the little air bubbles you just got out of the caliper don't get sucked back in while you're pumping the brakes?
 
hpvchewy said:
The water never gets near the brake fluid/caliper? It creates a vacuum so that the little air bubbles you just got out of the caliper don't get sucked back in while you're pumping the brakes?
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I see no need to even bring water into the equation....Ive been bleeding brakes for over 10 years, with a piece of clear tubing....And again since water and brake fluid have no business being together I see no need at all for a cup of it on the end of the bleeding hose....

Rather then dip the end into water, loop it up and then down....The fluid you pump out will rise in the tubing untill it rises over the loop then then goes down, that simple loop will do more for you then dipping the end in a cup of water....
 
JohnnyP636 said:
I see no need to even bring water into the equation....Ive been bleeding brakes for over 10 years, with a piece of clear tubing....And again since water and brake fluid have no business being together I see no need at all for a cup of it on the end of the bleeding hose....

Rather then dip the end into water, loop it up and then down....The fluid you pump out will rise in the tubing untill it rises over the loop then then goes down, that simple loop will do more for you then dipping the end in a cup of water....
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careful,,,

you'll confuse him,
 
This amount of fluid in the tube is enough to create a seal, allowing only air out and not back in.....And its easy to see the bubble come out of the nipple and rise through the tube
Brakes+6.jpg

Once you have that, there isnt even a need for any amount of any fluid on the catch can on the other end....Its that simple

I see alot of people waste time with worrying about the catch can, when what is really important to me is that the tube is routed upwards creating that seal....Where alot of people forget that and have it routed straight down, which makes it really hard to bleed...

There are these little guys for $5 that are great from Princess auto or Canadian tire...I have a $300 vacumm bleeder, and I use these more then it...Unless its a dry system....Vacumms are great but they waste way more fluid I find compared to the old school method
brake-bleed05.jpg
 
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ZX600 said:
Is this a trick question?
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No,I read somewhere that Carl Fogarty (most successful World Superbike racer of all time) said that in all his years of racing he never ever used his rear brake...ever.It made me think of my own riding style and realized that in over 40 years of riding I rarely used my rear brakes.I think aggressive or panic use of your rear brake usually does more harm than good,especeally with novice riders.I rely on my front brakes for 99% of my breaking.
 
I used my rear brake all the time when I rode on the street and use it to keep the front wheel down on the track.
 
Rear brake is especially useful when riding with a passenger and saddle bagd.

I lock my rear brake a few times a day for fun. Good training.
 
Bobo said:
No,I read somewhere that Carl Fogarty (most successful World Superbike racer of all time) said that in all his years of racing he never ever used his rear brake...ever.It made me think of my own riding style and realized that in over 40 years of riding I rarely used my rear brakes.I think aggressive or panic use of your rear brake usually does more harm than good,especeally with novice riders.I rely on my front brakes for 99% of my breaking.
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Rossi, and most of the other top MotoGP riders use the rear brake.

you get in trouble with the rear brake(even those with experience riding) because it's rarely used or you're told not to use it.

It's a tool, that becomes part of your skill set, you don't HAVE to use it all the time, but having the ability to adds one more piece of equipment to your toolbox.

Ever over cook a corner and started to run wide, maybe with the possibility of entering the oncoming lane?? rear brake application can pull the line in tighter and keep you out of traffic.

There is a long list of situations it can be used effectively,, but if you don't practice, you don't have the experience and "EVIL" rear brake will bite you.
 
reciprocity said:
Rossi, and most of the other top MotoGP riders use the rear brake.

you get in trouble with the rear brake(even those with experience riding) because it's rarely used or you're told not to use it.

It's a tool, that becomes part of your skill set, you don't HAVE to use it all the time, but having the ability to adds one more piece of equipment to your toolbox.

Ever over cook a corner and started to run wide, maybe with the possibility of entering the oncoming lane?? rear brake application can pull the line in tighter and keep you out of traffic.

There is a long list of situations it can be used effectively,, but if you don't practice, you don't have the experience and "EVIL" rear brake will bite you.
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Lies! Pretty much every bike made just has a rear brake for decoration, your not actually supposed to use it for anything
 
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