Ok guys, here's the story. I have a 2001 ZX6R with 13,800 miles on it. I have owned it since new and have babied this thing. It is the most immaculate 2001 6R Ninja you could ever find. I have changed the oil on a regular basis(usually every 1500 to 2000 miles, 2500 at the very most). Sure it has seen its share of high RPM's, just like every other sport bike, but I have never abused the engine in any way. Here's the problem. A couple of weeks ago I changed the oil and there was some metal in the oil. Really small specs, but quite a bit of it. The bike runs absolutely perfect, no different than it ever has. For oil I run Kawachem 10W 40, 20W50 in the dead hot summer(100 plus degrees F in Kansas all summer) as I have since day one. Is this normal for this bike and the mileage? Could it just be from the tranny after this many miles of use? The bike doesn't use or burn any oil and runs great. Help me out here guys. What do you all think? Thanks.