2007 Arctic Cat Four-Stroke Factory Service Manual, Page 142Get this manual
7Remove the cable ties (noting their locations for assembling purposes) securing the wiring harness to the throttle-body fuel rail; then loosen the intake flange clamps securing the throttle bodiesRemove the throttle bodies and place them on the tunnel! NOTE: After removing the throttle bodies, it is advisable to close off the intake ports of the cylinder head to avoid any foreign objects or components from falling into the engine 8Remove the cap screws securing the camshaft covers to the cylinder head; then remove the coversRemove both camshafts
! CAUTION
If for any reason additional tappets and shims are removed, care must be taken that they are marked as to which valve they were removed from or severe engine damage may occurZJ107A