2000 Arctic Cat ATV Factory Service Manual, Page 76Get this manual

2000 Arctic Cat ATV Factory Service Manual, Page 76

Fig3-140 Measuring Valve FaceSeat Width 1Using micrometer, measure the width of the valve faceFig3-142 NOTE: The valve seals
Diameter ATV1082A 1Using micrometer, measure the valve stem diameter2Acceptable diameter range (intake valve) is 5.475-5.490
mm (0.2156-0.2161 in for the 250300 cc and 4.9754.990 mm (0.19590.1965 in for the 400500 cc3Acceptable diameter range (exhaust
valve) is 5.455-5.470 mm (0.2148-0.2154 in for the 250300 cc and 4.9554.970 mm (0.19510.1957 in for the 400500 cc 3Rotate
the valve in the blocks4Maximum runout is 0.03 mm (0.001 inMeasuring Valve GuideValve Stem Deflection (Wobble Method) 1Mount
dial indicator and base on the surface plate; then place the cylinder head on the surface plate2Install the valve into the