Here is the #1!!!! thing to remember. Get the motor HOT, not warm before you rail on it. I got a call the night I got rid of mine saying how the POS blew up. I said, that had a freakin brand new engine. He said, I started it up, went down the road through the gears wide open and it locked up. I said, oooooohhhh. Did you do what my text said and get the motor hot, or did you just warm it up. He said, I let it warm up a couple seconds. I said, and there you go. What a Freakin Dummy. I texted him so he could see it visually, plus told him at my office. Get it HOT, before you go riding. Cold siezed the beaoch the first ride. That piston is huge, and expands, while the steel cylinder doesn't have time to expand enough. Thus, thug, stuck. Just thought I would let you know this, so you don't do a azzinine thing like this guy. That motor should last years and years with no problems, if you treat it right.