2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 217Get this manual

2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 217

3Remove the valve springs; then invert the cylinder head and remove the valvesMeasuring Valve Stem Runout 1Support each valve
plate; then place the cylinder head on the surface plate2Install the valve into the cylinder head; then position the dial
indicator contact point against the outside edge of the valve faceZero the indicator 3Push the valve from side to side; then
from top to bottom4Maximum "wobble" deflection must not exceed specificationsMeasuring Valve Guide (Inside Diameter) 1Insert
snap gauge 12 way down into each valve guide bore; then remove the gauge and measure it with micrometer2Acceptable inside
diameter range must be within specifications3If valve guide is out of tolerance, it must be replaced ATV-1004 2Acceptable
width range must be within specificationsMeasuring Valve Face Radial Runout 1Mount dial indicator on the surface plate; then