2006 Arctic Cat DVX 400 Service Manual, Page 54Get this manual
CleaningInspecting Cylinder
1Wash the cylinder in parts-cleaning solvent2Inspect the cylinder for pitting, scoring, scuffing, warpage, and corrosion3Place the cylinder on the surface plate covered with #400 grit wet-or-dry sandpaperUsing light pressure, move the cylinder 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 in figure eight motion until uniform bright metallic finish is attained
2Wash the cylinder in parts-cleaning solvent3Inspect the cylinder for pitting, scoring, scuffing, and corrosionIf marks are found, the cylinder must be replacedNOTE: Nickasil-plated cylinder cannot be honed
! CAUTION
Water or parts-cleaning solvent must be used in conjunction with the wet-or-dry sandpaper or damage to the sealing surface may result
Measuring Camshaft Runout