2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 191Get this manual
2Wash the cylinder in parts-cleaning solvent3Inspect the cylinder for pitting, scoring, scuffing, and corrosionIf marks are found, repair the surface using ball honeNOTE: To produce the proper 60 cross-hatch pattern, use low RPM drill (600 RPM) at the rate of 30 strokes per minuteIf honing oil is not available, use lightweight petroleum-based oilThoroughly clean cylinder after honing using soap and hot waterDry with compressed air; then immediately apply oil to the cylinder boreIf the bore is severely damaged or gouged, replace the cylinder
2Rotate the camshaft and note runout; maximum tolerance must not exceed specificationsMeasuring Camshaft Lobe Height
1Using calipers, measure each cam lobe height