2011 Arctic Cat DVX 90 / 90 Utility ATV Service Manual, Page 21Get this manual
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 specifications
Measuring Valve FaceSeat Width
1Using micrometer, measure the width of the valve face
2Remove the valve seal and the lower remaining spring seatDiscard the valve seal
ATV-1004
2Acceptable width must be at or above specifications