2010 Arctic Cat DVX 90 / 90 Utility ATV Service Manual, Page 29Get this manual
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 not exceed specifications
4At this point, repeat step and if any measurement exceeds the limit, the cylinder must be replacedMeasuring Camshaft Lobe Height 1Using micrometer, measure each cam lobe height