2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 165Get this manual
! CAUTION 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
NOTE: 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
ATV-1082
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 specificationsMeasuring Valve FaceSeat Width