2008 Arctic Cat ATVs factory service and repair manual, Page 165Get this manual
Water or parts-cleaning solvent must be used in conjunction with the wet-or-dry sandpaper or damage to the sealing surface may result Removing Valves
INOTE: Keep all valves and valve components as setNote the original location of each valve set for use during installationReturn each valve set to its original location during installation
1Using valve spring compressor, compress the valve springs and remove the valve cottersAccount for an upper spring retainer
2Maximum runout must not exceed specificationsMeasuring Valve Stem Outside Diameter
1Using micrometer, measure the valve stem outside diameter2Acceptable diameter range (intake valve) must be within specifications3Acceptable diameter range (exhaust valve) must be within specifications
Measuring Valve FaceISeat Width 1Using micrometer, measure the width of the valve face