1996-2002 Kawasaki 1100ZXi Jet Ski Factory Service Manual., Page 150Get this manual
ELECTRICAL 13-1 5
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
Brush Plate Inspection