2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 240Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 240

2Remove the 12 cap screws securing the valve cover to the head; account for the four rubber washers on the top side cap screwsRemove
be taken not to drop the C-ring down into the crankcaseCD468 NOTE: Note that the opening of the head plug must be directed
to the o'clock position 3Loosen the cap screw on the end of the tensioner; then remove the two Allen-head cap screws securing
the tensioner adjuster assembly and remove the assemblyAccount for gasket 5Bend the washer tabs and remove the two cap screws