2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 59Get this manual
CAMSHAFT ASSEMBLY
INSPECTION Check the camshaft for abnormal wear or damageMeasure the cam height with micrometerIf the cam height is less than the service limit, replace the camshaft assembly with new oneCam height (INEX): Service Limit: 28.13 mm (1.1075 in)