2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 166Get this manual

2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 166

Servicing ValvesValve GuidesValve Seats If valves, valve guides, or valve seats require servicing or replacement, Arctic
diameter of the rocker arm2Acceptable inside diameter range must be within specificationsMeasuring Rocker Arm Shaft (Outside
Diameter) 1Using micrometer, measure the outside diameter of the rocker arm shaft2Acceptable outside diameter range must
be within specificationsInstalling Valves 1Apply grease to the inside surface of the valve seals; then place lower spring
seat and valve guide seal over each valve guide 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 replacedCC144D 2Insert each valve into its original location3Install the valve