2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 80Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 80

726-306A ! CAUTION Incorrect installation of the piston rings will result in engine damage Measuring Cylinder Head Distortion
or the sealing surface2Inspect the spark plug hole for any damaged threadsRepair damaged threads using "heli-coil" insert3Place
the cylinder head on the surface plate covered with #400 grit wet-or-dry sandpaperUsing light pressure, move the cylinder
head in figure eight motionInspect the sealing surface for any indication of high spotsA high spot can be noted by bright
metallic finishCorrect any high spots before assembly by continuing to move the cylinder head in figure eight motion until
uniform bright metallic finish is attainedCleaningInspecting Cylinder 1Wash the cylinder in parts-cleaning solvent2Inspect
the cylinder for pitting, scoring, scuffing, warpage, and corrosionIf marks are found, repair the surface using cylinder