2001 Arctic Cat ATVs factory service and repair manual, Page 211Get this manual

2001 Arctic Cat ATVs factory service and repair manual, Page 211

Fig3-775
Measuring Valve FaceSeat Width

1Using micrometer, measure the width of the valve faceFig3-777

NOTE: The valve seals must be replaced
3Remove the valve springs; then invert the cylinder head and remove the valvesMeasuring Valve Stem Runout

ATV1004

2Acceptable width range is 0.9-1.1 mm (0.035-0.043 inMeasuring Valve Face Radial Runout