2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 136Get this manual
FSFST Engine Measure Camshaft Width Out of specification: Replace camshaftMeasure Camshaft Bearing Hole I.D Out of specification: Replace camshaftNOTE: Needle measure I.Dbearings must be removed to
Measure Intake and Exhaust Cam Lobe Heights Out of specification: Replace camshaftMeasure Camshaft Axle O.D Out of specification: Replace axle