2004 Yamaha WaveRunner VX110 Sport and VX110 Deluxe Service Manual, Page 182Get this manual
CONNECTING RODS AND PISTONS
Cylinder and piston inspection The following procedure applies to all of the cylinders and pistons1Check: Piston wall Cylinder wall Vertical scratches Replace the cylinder, and the piston and piston rings as set2Measure: Piston-to-cylinder clearance