2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 58Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 58

Removing Top-Side Components AValve Cover BCylinder Head NOTE: Remove the spark plug and timing inspection plug; then using
assembly and remove the assemblyAccount for gasket 1Remove the cap screws securing the two tappet coversRemove the two tappet
coversAccount for the O-rings NOTE: Keep the mounting hardware with the covers for assembly purposes or thread them back
into the head to keep them separated 2Remove the 12 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