2003 Polaris Freedom, Virage and Genesis PWC Service Manual, Page 109Get this manual
EngineCooling Engine InspectionAll Engines 4Inspect each cylinder for wear, scratches, or damageIf no damage is evident, measure cylinder for taper and out of round with telescoping gauge and micrometer or dial bore gaugeMeasure bore 12 down from top of cylinder in two directionsin line with piston pin and 90 to the pin to determine if bore is out of roundRepeat measurements at bottom of cylinder to determine taper or out of round at the bottomRecord all measurementsNOTE: If cylinders are worn or damaged refer to page 3.51-3.52 for boringhoning and port chamfer information