well i am bleeding new lines on my 1200r with dual discs. ok guys i got a couple of questions? when i am pumping my brake lever and then i want to open the bleeder valve how long do you leave the valve open. i thought as long as you have the lever pulled in you are ok right. what i am wondering am i getting air back in the valve because i was doin this for about an hour didnt seem like a was getting any pressure at all. i am going to try putting the clear hoses off the bleeder in a little bit of fluid in a jar so it will suck fluid instead off air.any other helpfull tips yous have would be apreciated. thanks derrick.

Do a search on "bleed brakes" (search this site) and you can read about all the cool ways to do it.

Personally, I inject the fluid from the bottom (through the bleeder valve) using a big syringe and a short length of rubber hose.

If you try to use the "automotive" method of pump and bleed, then you'll be pumping forever.

sounds like you have some air in the master cyl, is it completely flat/level?

You will find it takes awhile for the fluid to get down the line, just loosen the lower line or open the bleeder and let it set till the fluid runs out then do a normal bleed

thanks guys for the replys i got them good this morning. took it out for a test ride man do they work now. thanks all.:tour :tour :smoke

... Personally, I inject the fluid from the bottom (through the bleeder valve) using a big syringe and a short length of rubber hose ...

This is what i am going to do the next time. I find doing the front not too bad as the air can just float up if left overnight, but doing the rear brake is tedious for sure.