THIS PE WAS OPENED BASED ON OWNER COMPLAINTS, EWR FIELD REPORTS, AND WEB FORUM DISCUSSIONS ALLEGING THAT SOME MY 2006-2007 KAWASAKI ZX14 HIGH PERFORMANCE MOTORCYCLES' REAR SUSPENSION COLLAPSED DUE TO CROSSMEMBER FAILURE.IN ITS RECALL FILING, KAWASAKI WROTE, THE LOWER REAR ENGINE MOUNT HAS A THREADED COLLAR DESIGNED TO ELIMINATE CLEARANCE BETWEEN THE FRAME AND THE ENGINE CASES BEFORE THE ENGINE MOUNTING BOLT IS TIGHTENED.ON SOME OF THE AFFECTED UNITS, THE COLLAR WAS TIGHTENED EXCESSIVELY, WHICH CREATED STRESS ACROSS THE LOWER CROSSMEMBER.KAWASAKI DEALERS ARE INSTRUCTED TO INSPECT THE AFFECTED UNITS AND INSTALL A NEW FRAME ON THOSE ZX14'S WITH SUSPECT CROSSMEMBERS.IN ITS OWNER NOTIFICATION LETTER, KAWASAKI CAUTIONS THAT A FRAME REPLACEMENT MAY REQUIRE A FEW WEEKS DUE TO THE TIME REQUIRED TO PREPARE AND SHIP THE NEW FRAME AND LABELS WITH THE CORRECT VEHICLE IDENTIFICATION NUMBER.