2011 Polaris Ranger RZR ATV Service Manual, Page 79Get this manual

2011 Polaris Ranger RZR ATV Service Manual, Page 79

ENGINE Combustion Chamber 1Clean all accumulated carbon deposits from combustion chamber and valve seat area with carbon
Combustion Area Install pilot into valve guideApply cutting oil to valve seat and cutterPlace 46 cutter on the pilot and
make light cut Valve Seat Reconditioning NOTE: Polaris recommends that the work be done by local machine shop that specializes
in this areaNOTE: The cylinder head valve guides cannot be replaced Wear eye protection or face shield during cylinder head
disassembly and reassemblyValve Seat Inspection Inspect valve seat in cylinder head for pitting, burnt spots, roughness,
and uneven surfaceIf any of the above conditions exist, the valve seat must be reconditionedIf the valve seat is cracked
the cylinder head must be replacedFollow the manufacturers instructions provided with the valve seat cutters in the commercially
available cylinder head reconditioning kitAbrasive stone seat reconditioning equipment can also be usedKeep all valves in