2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 114Get 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
NOTE: The valve seals must be replaced
3Remove the valve springs; then invert the cylinder head and remove the valvesMeasuring Valve Stem Runout 1Support each valve stem end with the Blocks; then check the valve stem runout using dial indicator
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