2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 77Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 77

2Inspect the cylinder for pitting, scoring, scuffing, warpage, and corrosionIf marks are found, repair the surface using
waterDry with compressed air; then immediately apply oil to the cylinder boreIf the bore is severely damaged or gouged, replace
the cylinder Water or parts-cleaning solvent must be used in conjunction with the wet-or-dry sandpaper or damage to the sealing
surface may result Inspecting Cam Chain Guide 1Inspect cam chain guide for cuts, tears, breaks, or chips2If the chain guide
is damaged, it must be replacedHoning Cylinder 1Using slide gauge and dial indicator or snap gauge, measure the cylinder
bore diameter in three locations from top to bottom and again from top to bottom at 90 from the first measurements for total
of six measurementsThe trueness (out-of-roundness) is the difference between the highest and lowest readingMaximum trueness
(out-of-roundness) must be 0.05 mm (0.002 in 4If any measurement exceeds the limit, hone the cylinder and install an oversized