Ok guys,
At the risk of making myself look like a complete fool.............
Recently bought a Gen 1 Thou from another forum member (Kitty). The bike had been laid up for best part of a couple of years and therefore the front calipers were binding on. I had good pressure at the lever but they were just binding a little after release.
So, yesterday, I took them both off, took the pads out etc and gave them a bit of a clean up. Unfortunately, through a lack of foresight, whilst working on one caliper, I managed to pop out one of the pistons. I gave it a quick clean and managed to get it back in again without too much ado. I finished off by trying to bleed the brakes up again.
Unfortunately, I can now not get any lever pressure and am a bit stuck.
When trying to bleed it up, I was getting fluid coming through the bleed nipples but not with any great pressure. I can see no signs of leakage anywhere and I have been topping up the fluid reservoir. I've taken the offending caliper off again and had another good look but again, no signs of any fluid seepage from where I've replaced the piston.
I'm thinking that maybe the master cylinder seals may have gone, but cant undertand how that would have happened when all i've done is a quick clean / freeing up of the pistons / calipers. I also dont want to shell out on a new m/c seal kit if its not that causing the problem.
Have I missed something blindingly obvious here??? By the way, the bike has braided hoses so I dont think its those that have perished.
Any advice appreciated.
SkidT