2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 108Get this manual
6-12 ENGINE TOP END Engine Top End
Cylinder Wear Inspection
ns Imapecetath.e inside of the cylinder for scratches and abnorlw r
If the cylinder is damaged or badly worn, replace it with new oneSince there is difference in cylinder wear in different directions, take side-to-side and front-to-back measurement at each of the locations (total of measurements) shown in the figure10 mm (0.4 in [A] 90 mm (3.5 in [B] 60 mm (2.4 in [C] If any of the cylinder inside diameter measurements exceeds the service limit, the cylinder will have to be replaced with new oneC In ta.0.1 .1and th et su en Se rv ic it.1,) fe et su en s
Piston Diameter Measurement
u ed e[ Me0a5s9 riethupo[uBtsifdom itahmebtotrtoA] off tthe piistton at6.a9rmht (1n ]r he on ig angle to the direction of the piston pinP to te taSe rv ic Li it.8.1 .1 in .7n
If the measurement is less than the service limit, replace