Brake bleeding XJ650

The information in this forum" brake bleeding XJ650" withdrawn by bobe7316

The benefit of a forum like this is so every body can tell others what they did to help with some aspect of the XJ650 Yamaha. Even if it
sounds strange or odd or not by the text book it is worthy of consideration by others that may benefit by reading the post. Once the
post is withdrawn no body benefits and good information is lost for
ever. Cant bleed the air out of your brakes well the information that I had written up in this post may have solved your problem.

I withdrew the post because a" purist "pointed out that it was not by the
text book. The" purists " told the Wright Brothers that man could not fly
in a heavier than air vehicle. Lucky that the Wright brothers did not
listen to them.

My system always works.

 

nice, i belive that was lou who told you about it. i need to try that, but after alot of oldfashoned bleeding i finally thing i got it. nice right up!

 

One thing that you can do is to isolate where the air is in the system. To
do this, once you think that there is no more air in the master cylinder
put a clamp on the brake line just down line from the master cylinder.
You can use a G clamp or vice gripps. Once the clamp is on the line work
the lever on the master cylinder. If all the air is out you will have a full
hard lever. Now just move the vice gripps down the lines until the lever
goes spongy and you will know that the air is in that area of the system.
For instance if you have a full hard lever by clamping off the pipe just
before the wheel cylinder but it turns spongy when you take the clamp
off the pipe then there is air trapped in the wheel cylinder. You then
know that you have to bleed the wheel cylinder.

You can only clamp rubber lines. DO NOT clamp steel braded lines.

Not sure what the next post is talking about?????must be a purist.

 

Not a good idea.

The fluid you pump out isn't "new" anymore, it has whatever crud it picked up from the system in it. If you're refilling a dry system because of rebuilding a component, it could be any sort of debris or contaminants.

If you're flushing a system to change the fluid, what comes out will have traces of the old fluid in it.

NEITHER is something you want to put back into your system. Brake fluid is cheap; better to dispose of what gets pumped out, not reuse it. There are various ways to successfully bleed the system without refilling it with "used" fluid.