1995-1997 Kawasaki 750ZXi-900ZXi Jet Ski Repair Manual., Page 83Get this manual
5-10 ENGINE TOP END
Piston Diameter Measurement
Measur the outside diameter [A] of the piston 15 mrn up (JH900A)[B] or 18 rnm up (JH750C)[C] from the bottom of the piston at ring angle to the direction of the piston pinPiston Diameter Standard: Service Limlt:
JH900A 72.895 JH750C 79.900
72.910 mrn 79.915 rnm
JH900A 72.75 mrn JH750C 79.75 mrn
0 If the measurement is less than the service limit, replace the piston