2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 60Get this manual
CYLINDER BORE Inspect the cylinder wall for any scratches, nicks or other damageIf anything unusual is found, replace the upper crankcasecylinderMeasure the cylinder bore diameter at six placesCylinder bore: Standard: 36.005 36.015 mm (1.4175 1.4179 in)