Quote:
Originally Posted by Moto7man
There was a thread on this forum regarding the bleed nipple on the front caliper. Someone had a bent bleed nipple that was allowing air into the front line. The owner had replaced everything else, lines, master cylinder etc until he found this as the problem.
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Hmm. That's very interesting; I haven't heard that.
I've had front brake issues with my 2011 EC250 since I bought it several months back. The brake has always just felt spongey; it's got plenty of power, but the feel isn't what it should be.
I started off by bleeding it, which helped a little. Then I did a full-blown fluid flush with brand new fluid, which again helped a little. Then I eliminated the pressure switch, which again helped a little.
I've bled the crap out of it, forwards and backwards, and it still doesn't feel right. It normally feels best right when I get done bleeding it, but within a few minutes of riding, it's right back as it was. As I said, it's got PLENTY of power; it'll lock the tire with ease if you really squeeze on it. But the feel isn't there; it never really "firms up". I get excellent braking pulling the lever, say, halfway to the grip, but if I keep pulling, it'll come all the way back and touch the grip.
I've got 2 Hondas with virtually the exact same Nissin brake system, and neither of those feel like this. They pull back some, get firm, and then you can't pull it back any further no matter how hard you try. So I'm quite confident I've still got a problem somewhere.
My latest hypothesis is that maybe the master isn't sealing like it's supposed to, and some fluid is seeping past the seals as I squeeze on it. But, this idea about the bleed nipple sounds interesting, and cheap to check. So I think I'm going to do that first and see how it goes.