2008 Arctic Cat ATVs factory service and repair manual, Page 50Get this manual
2Remove the cap screws securing the valve cover to the head; account for the four rubber washers on the top side cap screwsRemove the valve coverAccount for and note the orientation of the cylinder head plug; then remove the plugNote the location of two alignment pins 5Bend the washer tabs and remove the two cap screw securing the sprocket to the camshaft
MD1354A
3Loosen the cap screw on the end of the cam chain tensioner; then remove the two Allen-head cap screws securing the tensioner assembly and remove the assemblyAccount for gasket