2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 54Get this manual

2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 54

NOTE: The valve seals must be replaced 3Remove the valve springs; then invert the cylinder head and remove the valvesMeasuring
into the cylinder head; then position the dial indicator contact point against the outside edge of the valve faceZero the
indicator 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 1Using micrometer, measure the width of
the valve face 3Push the valve from side to side; then from top to bottom4Maximum "wobble" deflection must not exceed specificationsATV-1004