I just bought a 2006 R1 knowing that it had a bad stator which is fine it was an easy fix and cheap and the engine ran just fine. I took it to a dealership to have them switch it out because the battery would die too quick for me to get back to my house I'd have to keep charging the battery so I have the Honda dealership switch it out and as they pulled the old one out as the Stators have a tendency to break into a bunch of pieces, the technician dropped one of the little plastic pieces that go behind the rotor, (the thing that actually spins around the stator) down into the engine where I guess the transmission and gears and everything is that piece is about the size and shape of a guitar pick that's about 3/8 of an inch thick. But they're telling me now that I have to pay to have some other shop tear apart the whole engine to get that piece out. I'm planning on taking them to small claims court or filing a lawsuit against them because if they dropped it in there they should get it out by my logic I guess. but if that doesn't all work out for me I was wondering if anybody has any knowledge on how invasive or difficult it would be to do myself or how much something like that would cost.