2011 Polaris Ranger RZR ATV Service Manual, Page 78Get this manual

2011 Polaris Ranger RZR ATV Service Manual, Page 78

ENGINE Valve Inspection 12Remove all carbon from valves with soft wire wheel or brushCheck valve face for runout, pitting,
(B) NOTE: The valves can be re-faced or end ground, if necessaryThey must be replaced if extensively worn, burnt, bent, or
damaged4Measure diameter of valve stem with micrometer in three places, then rotate 90 degrees and measure again (six measurements
total)Compare to specificationsMeasure valve stem in several placesRotate the valve 90 degrees and measure for wearValve
Guide I.D 0.23672" 0.000295" (6.0617 0.0075 mm) 6Subtract valve stem measurement from the valve guide measurement to obtain
stem to guide clearance NOTE: The valve guides cannot be replacedBe sure to measure each guide and valve combination individually