2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 258Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 258

ATV-1082 2Remove the valve seal and the lower remaining spring seatDiscard the valve seal 2Maximum runout must not exceed
3Remove the valve springs; then invert the cylinder head and remove the valvesMeasuring Valve Stem Runout ATV-1004 2Acceptable
width range must be within specificationsMeasuring Valve Face Radial Runout 1Support each valve stem end with the Blocks
(pn 0644-022); then check the valve stem runout using dial indicator 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