2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 205Get this manual
6-34 ENGINE TOP END Cylinder, Pistons
Cylinder Wear
neh if ff ent Seictcionts,etraekies aasdidfee-rtonscieeinacylia dreornw-eoa-rbiancdimeerasurdei-rnd ment at each of the two locations (total of four measurements) shown in the figureIf any of the cylinder inside diameter measurements exceeds the service limit, replace the cylinder[A] 10 mm (0.39 in [B] 60 mm (2.36 in
C li In id an d: .9 .0326 in t:)
Piston Wear
r am st Me7a1suine) thB] ouuptsfirde dtihe etoetrto[m] ooff teacpisptionoat 1a8rmmt (0 om he igh angle to the direction the piston pinIf the measurement is less than the service limit, replace the pistonPi sto Di am eter an d: .9.2 in.7)
Piston Ring, Piston Ring Groove Wear