2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 266Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 266

2Remove the valve seal and the lower remaining spring seatDiscard the valve seal Measuring Valve FaceSeat Width 1Using micrometer,
point on the outside edge of the valve face; then zero the indicator ATV-1082 2Maximum runout is 0.05 mm (0.002 inMeasuring
Valve Stem Outside Diameter ATV1082A 3Rotate the valve in the blocks4Maximum runout is 0.03 mm (0.001 inMeasuring Valve GuideNalve
Stem Deflection (Wobble Method) 1Mount dial indicator and base on the surface plate; then place the cylinder head on the
surface plate 1Using micrometer, measure the valve stem outside diameter2Acceptable diameter range (intake valve) 4.975-4.990
mm (0.19590.1965 in4.955-4.970 mm (0.19510.1957 in 3Acceptable diameter range (exhaust valve) 2Install the valve into the