It's an often asked question and you'll get some replys. It never hurts to ask questions again because newer members might not have seen these older threads dealing with the same subject. The 10k figure has been posted here several times by some of our members.
I'll chime in first. All of my current bikes except for one I just built over the winter have over or near 1K. One has over 2 thousand miles. Maybe I've been lucky. I've only experienced minor problems and have never had a major issue with an engine. I don't abuse my engines but they do get ridden hard occasionally, and put away wet