1995-2004 Kawasaki JetSki 750ZXi 900ZXi Factory Service Manual, Page 86Get this manual
Piston Diameter Measurement Me',asure the outside diameter [A] of the piston 15 mrn up (JH'900A)[B] or 18 mm up (JH750C)[C] from the bottom, of the' piston at ,8 ring ang:le to the' direction of the piston pinpilston Dliameter Standard:'
J'H900A 7289572,.910 mm JHI750C 7'9'.900 79.915 mm
Service Lilmtl:
JH900i,A72,75 mm JH750C 79 mm
replacethe piston
o the'measurement is less than the service
OAbno'fmal wes: such es marked diagonal oettem ecross the piston skirt may mean bent conoectinq rod or a' misaligned crankshaft
Piston Cylin,der Clearance
The piston-to-cviinder clearance must be checked, and thest'.andard value maintained anytime piston or the' cylinder block are 'replacedwith new' parts, or whenever the is rebored and oversize pistons