Newb w/ Sticking Front Brake
Hello and thanks in advance for helping this new KLR owner with a front brake issue. New to motorcycles, new to this forum.
My 2009 KLR front brake will randomly start to drag and after a few minutes of dragging, it get worse and worse, to the point where I need to pull over and the front brake feels fully engaged. When I open the bleeder screw a little bit of brake fluid shoots out, then the brake goes back to normal. I have driven 100 miles and it's not done it, but on my 3 mile commute to work it happens...at random.
I already flushed the system with new DOT 4 brake fluid, took off the caliper, inspected the pins, slides, and pistons. Hit all of those parts with some brake cleaner and a brush, lubed, and put back together.
When this starts to happen the brake lever gets SUPER stiff, like I can barely pull it. This makes me think it's a hydraulic issue, not a caliper issue. Could the master cylinder need a rebuild? Is there any return port on the MC that may be clogged? Any advice is much appreciated!