2010 Polaris Sportsman 850 Service Manual, Page 126Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 126

ENGINE CamshaftCamshaft Bore Inspection 1After camshaft carrier is removed, lift camshaft from cylinder headInspect all main
cylindercrankcase without removing cam carrier (C) but the center two cylinder head bolts cannot be removed from the head
unless carrier is removed Temporarily install camshaft carrier as shown below to measure the camshaft boreReplace cylinder
head if worn 1Snug all bolts 2Torque in sequence Cylinder Head Cleaning 3Measure Thoroughly clean cylinder head surface to
remove all traces of gasket material and carbon Use care not to damage gasket sealing surfaceAll gasket surfaces must be
clean, dry, and free of any oil or grease upon assemblyClean sealing surfaces with rubbing alcohol, electrical contact cleaner