2007-2009 Suzuki LTZ90 factory service manual, Page 76Get this manual
CYLINDER BORE Inspect the cylinder wall for any scratches, nicks or other damageMeasure the cylinder bore diameter at six placesIf any one of the measurements exceed the limit, replace the cylinderCylinder bore Standard: 45.500 45.515 mm (1.7913 1.7919 in) 09900-20530: Cylinder gauge set 09900-20513: Rod (40 mm)