1995-1997 Kawasaki 750ZXi-900ZXi Jet Ski Repair Manual., Page 178Get this manual
13-24 ELECTRICAL SYSTEM
Even if the foregoing checks show the armature to be good, it may
be defective in some manner not readily detectable with an ohmmeter
if all other starter motor and starter motor circuit components check good, but the starter motor still does not turn over or only turns over weakly, replace the starter motor with new one