2006 Arctic Cat ATVs factory service and repair manual, Page 300Get this manual
9Loosely install the five cylinder head nuts 1 NOTE: At this point, oil the camshaft bearings, cam lobes, and the three seating journals on the cylinder
13With the cam lobes directed down (toward the piston), maneuver the camshaftsprocket assembly through the chain and towards its seating position; then loop the chain over the sprocket
10In crisscross pattern, tighten the four cylinder head cap screws (from step 8) to 3.8 kg-m (27.5 ft-lb); then tighten the mm nut (from step 9) to 2.5 kg-m (18 ft-lb)Using crisscross pattern, tighten the four mm nuts (from step 9) to 1.1 kg-m (8 ft-lb)Tighten the two cylinder-tocrankcase nuts (from step 4) securely11With the timing inspection plug removed and the chain held tight, rotate the crankshaft until the piston is at top-dead-center12With the alignment pin installed in the camshaft, loosely place the cam sprocket (with the recessed side facing the cam shaft lobes) onto the camshaftAt this point, do not "seat" the sprocket onto the shaft