have a 2009 Kawasaki stx15f and a 2007 Kawasaki ultra 250x.  New motor from SBT in stx15f .  Has 25 hours run time.  Meter shows 276 hours but original meter only had 45 hours on it when it quit and was replace with meter that had 263 hrs on it.  Red STX15f is 160 hp three seater.  Blue 250x is 250 hp with supercharger.  Has riva parts and bottom end of engine was rebuilt also. New pistons, rods, all bearings, oil pump, & timing chain.  Has 164 hours on meter and was rebuilt at 153.  Still using both so hours subject to change .  Come on double trailer with toolbox.  Might consider selling separately.