1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 204Get this manual
CLEANINGINSPECTING
Check the piston end of connecting rod for vertical free 'play" piston pinsn It is believed, this crown seized with the cylinder wall when the unit was operated at high rpm and the timing was not adjusted properlyAt the same instant, the rod apparently pulled the lower part of the piaton downward, severing it from the crown-