2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 245Get this manual
ATV-1004
2Acceptable width range must be within specificationsMeasuring Valve Face Radial Runout
3Push the valve from side to side; then from top to bottom4Maximum "wobble" deflection must not exceed specificationsMeasuring Valve Guide (Inside Diameter)
1Mount dial indicator on the surface plate; then place the valve stem on set of blocks2Position the dial indicator contact point on the outside edge of the valve face; then zero the indicator
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 replacedServicing ValvesValve GuidesValve Seats
ATV1082A